Over 100 Incredible Items on Sale this Week!

BEST SELLERS

Rocks and Roll

Turn rocks into jewelry, a few pieces at a time. Our small Rock Tumbler Geology Kit (1lb capacity) plugs into the wall and rolls those rocks around until they're all shiny and beautiful. Includes coarse and fine grinding powders, fine and finer polishing powders, 4 oz of practice gemstone rocks, a geology poster, glue, and mounting hardware to make a keychain, adjustable rings, earrings and other items. Can be set to turn from (1) to (7) days (rocks are hard, which is why they're called rocks). Measures approx 9" x 11" x 6" high overall, including the plastic dome to reduce the sound of the operation. For 10-year-olds and up.

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HOBBYIST ROCK TUMBLER

Rocks and Roll

Turn rocks into jewelry, a few pieces at a time. Our small Rock Tumbler Geology Kit (1lb capacity) plugs into the wall and rolls those rocks around until they're all shiny and beautiful. Includes coarse and fine grinding powders, fine and finer polishing powders, 4 oz of practice gemstone rocks, a geology poster, glue, and mounting hardware to make a keychain, adjustable rings, earrings and other items. Can be set to turn from (1) to (7) days (rocks are hard, which is why they're called rocks). Measures approx 9" x 11" x 6" high overall, including the plastic dome to reduce the sound of the operation. For 10-year-olds and up.

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$36.50 EACH

Win Money From Children!

"WE DARE YOU!" by Vicki Cobb is a 322-page book for children, filled with over (300) scientific challenges and experiments that can be done with ordinary household stuff. A savvy adult could introduce kids to science by betting them their allowance money on the afore-mentioned challenges, including making square eggs without using a square chicken, writing with potatoes, blowing frozen soap bubbles, and a whole bunch more.

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WE DARE YOU SCIENCE BOOK

Win Money From Children!

"WE DARE YOU!" by Vicki Cobb is a 322-page book for children, filled with over (300) scientific challenges and experiments that can be done with ordinary household stuff. A savvy adult could introduce kids to science by betting them their allowance money on the afore-mentioned challenges, including making square eggs without using a square chicken, writing with potatoes, blowing frozen soap bubbles, and a whole bunch more.

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$12.95 EACH

Begin Electronics!

Cool kit to introduce the beginner (age 10+) to the fabulous world of electronics. You will learn the basics of putting together circuits through over 50 projects building actual devices like an alarm, a radio, a metal detector and much more. The simple but complete instructions explain voltage, current resistance etc. This kit from Elenco is a giant "breadboard" with wires that can be connected to form the circuits as explained in the instructions…and all without soldering! A fabulous educational item at a fabulous surplus price!! For ages 10+.

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ELECTRONIC PLAYGROUND EDUCATIONAL KIT

Begin Electronics!

Cool kit to introduce the beginner (age 10+) to the fabulous world of electronics. You will learn the basics of putting together circuits through over 50 projects building actual devices like an alarm, a radio, a metal detector and much more. The simple but complete instructions explain voltage, current resistance etc. This kit from Elenco is a giant "breadboard" with wires that can be connected to form the circuits as explained in the instructions…and all without soldering! A fabulous educational item at a fabulous surplus price!! For ages 10+.

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$26.50 EACH

Make Your Own Weather

Budding meteorologists will love this Weather Science kit from Green Science. Includes experiments with lightning, static electricity, cloud-making, greenhouse effect, water cycles and acid rain. Comes with thermometers and holders, a balloon, seed tray, pH paper, and sundry plastic instruments. You add a few common household items.

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WEATHER SCIENCE KIT

Make Your Own Weather

Budding meteorologists will love this Weather Science kit from Green Science. Includes experiments with lightning, static electricity, cloud-making, greenhouse effect, water cycles and acid rain. Comes with thermometers and holders, a balloon, seed tray, pH paper, and sundry plastic instruments. You add a few common household items.

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$13.95 EACH

Three Dimensions Of Coloring

Extra-nifty, this 3-D sci-fi cartoon coloring set includes a 36-page pad of cartoons with (3) sets of (12) 7” x 5” sheets. Also comes with a pair of diffraction glasses, so you can see what you’re coloring, and (10) assorted markers, all in a compact book-like carrying case.

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3-D COLORING BOOK SET WITH MARKERS

Three Dimensions Of Coloring

Extra-nifty, this 3-D sci-fi cartoon coloring set includes a 36-page pad of cartoons with (3) sets of (12) 7” x 5” sheets. Also comes with a pair of diffraction glasses, so you can see what you’re coloring, and (10) assorted markers, all in a compact book-like carrying case.

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$11.95 EACH

Wheels Within Wheels

Nice little pulley unit kit includes (1) pulley each at 50, 30, 25 and 20mm and (3) pulleys at 11mm, plus myriad bushings, a 3VDC motor, (2) belts and a belt guide, base, mounts and assorted hardware. Includes graphic assembly instructions, plus a couple of rudimentary drawings with suggested projects. It's a mechanical science project waiting for a home.

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PULLEY KIT

Wheels Within Wheels

Nice little pulley unit kit includes (1) pulley each at 50, 30, 25 and 20mm and (3) pulleys at 11mm, plus myriad bushings, a 3VDC motor, (2) belts and a belt guide, base, mounts and assorted hardware. Includes graphic assembly instructions, plus a couple of rudimentary drawings with suggested projects. It's a mechanical science project waiting for a home.

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$12.95 EACH

We're Just Testing The Waters...

before we dip our tongues into it. You might want to, too. Try Watersafe® Well-Water Test Kit, a robust 10 parameter, single-use kit made for testing city water or well-water. Contains tests that will detect lead, coliform bacteria, pesticides, nitrates, iron, nitrites, pH, chlorine, copper and hardness. Includes an instruction manual and EPA drinking water standards. Easy to use, with your water quality results on the spot.

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LEAD/BACTERIA & MORE WATER TEST KIT

We're Just Testing The Waters...

before we dip our tongues into it. You might want to, too. Try Watersafe® Well-Water Test Kit, a robust 10 parameter, single-use kit made for testing city water or well-water. Contains tests that will detect lead, coliform bacteria, pesticides, nitrates, iron, nitrites, pH, chlorine, copper and hardness. Includes an instruction manual and EPA drinking water standards. Easy to use, with your water quality results on the spot.

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$29.95 EACH

Let There Be Running Lights

Nice little 8-LED running light kit from Velleman® has program and speed controls. You control which lights go on and off, and how fast they "run" in sequence. It's the basic concept used in those vintage blinking signs that entice you into car dealerships, amusement parks and cocktail lounges. You get the PC board and all the parts except the 9V battery you need to let the little lights shine. Ages 10+, as some soldering is required.

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VELLEMAN® RUNNING LIGHTS KIT

Let There Be Running Lights

Nice little 8-LED running light kit from Velleman® has program and speed controls. You control which lights go on and off, and how fast they "run" in sequence. It's the basic concept used in those vintage blinking signs that entice you into car dealerships, amusement parks and cocktail lounges. You get the PC board and all the parts except the 9V battery you need to let the little lights shine. Ages 10+, as some soldering is required.

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$11.95 EACH

Surprise! Surprise!

Surprise your parents with a little science at home. “Science Surprises” is a 192-page paperback in its third edition with over 100 experiments that can be done using common household goodies. OK, a couple of things might require a trip to the hardware store, but still.  The science ranges from the Bernoulli principle and Stroop effect to making your own perfume and cold cream. (And remember what Shaw said: “Science never solves a problem without creating ten more,” so that makes a thousand experiments.)

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SCIENCE SURPRISES BOOK WITH EXPERIMENTS

Surprise! Surprise!

Surprise your parents with a little science at home. “Science Surprises” is a 192-page paperback in its third edition with over 100 experiments that can be done using common household goodies. OK, a couple of things might require a trip to the hardware store, but still.  The science ranges from the Bernoulli principle and Stroop effect to making your own perfume and cold cream. (And remember what Shaw said: “Science never solves a problem without creating ten more,” so that makes a thousand experiments.)

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$14.95 EACH

My First Strobe Kit

For tyro electronics wizards: build your own dual white-LED strobe light. You'll need a 9V battery, solder and a soldering iron. Features a speed switch and rate control knob, and will oscillate between once and a seizure-inducing 60X per second. Draws 40mA. Ages 10+, as some soldering is required.

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STROBOSCOPE

My First Strobe Kit

For tyro electronics wizards: build your own dual white-LED strobe light. You'll need a 9V battery, solder and a soldering iron. Features a speed switch and rate control knob, and will oscillate between once and a seizure-inducing 60X per second. Draws 40mA. Ages 10+, as some soldering is required.

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$10.95 EACH

Sunprint Kit

Sunprints (or cyanotypes, or photograms) are everyone's favorite photo-sensitivity experiment, from third-graders to graphic artists and fine artists. You pick: The Sunprinters are a dozen 3-15/16" square sheets of photosensitive paper, an acrylic backing sheet and instructions. The large Sunprint Kit has (15) sheets of 12" x 7-3/4" photosensitive paper plus a clear acrylic sheet of the same size. Great for classroom demonstrations, and can be used to make prints from photo negatives as well as interesting effects from opaque or translucent objects. All you add is sunshine and water.

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PHOTOSENSITIVE SUNPRINT PAPER KIT, LARGE

Sunprint Kit

Sunprints (or cyanotypes, or photograms) are everyone's favorite photo-sensitivity experiment, from third-graders to graphic artists and fine artists. You pick: The Sunprinters are a dozen 3-15/16" square sheets of photosensitive paper, an acrylic backing sheet and instructions. The large Sunprint Kit has (15) sheets of 12" x 7-3/4" photosensitive paper plus a clear acrylic sheet of the same size. Great for classroom demonstrations, and can be used to make prints from photo negatives as well as interesting effects from opaque or translucent objects. All you add is sunshine and water.

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Hydraulics Made Easy

Cleverly made, and mighty heuristic, too. For someone entranced by hydraulics, or for a whole classroom of students, there's the Pathfinders 4-In-1 teaching kit, with 4 different hydraulic-system kits that use unfinished wood, transparent tubing, and plastic syringes, which power the movement. The mini models include an excavator, scissors lift, cherry picker, and platform lifter. Bases are approx 4" x 7" and finished heights vary, thanks to those syringes! Very clever teaching tools for ages 8 and up.

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HYDRAULICS 4-IN-1 SET

Hydraulics Made Easy

Cleverly made, and mighty heuristic, too. For someone entranced by hydraulics, or for a whole classroom of students, there's the Pathfinders 4-In-1 teaching kit, with 4 different hydraulic-system kits that use unfinished wood, transparent tubing, and plastic syringes, which power the movement. The mini models include an excavator, scissors lift, cherry picker, and platform lifter. Bases are approx 4" x 7" and finished heights vary, thanks to those syringes! Very clever teaching tools for ages 8 and up.

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$28.95 EACH
$34.95
-17%

Long Arm Of The Law Physics

Home robotics, bubeleh. Build a working hydraulic arm with this excellent 66-piece kit from Pathfinders' Simple Machine series. Structure is die-cut plywood and the kit includes tubing, (3) syringes and glue. You'll need a ruler and scissors. The finished arm will be approx 13-1/2" tall and will reach out over 16" and rotate 90° on an 8-5/8' x 6-7/8" base. Comes with a 12-page manual and uses water. Beautiful, too. For ages 8+.

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PATHFINDERS HYDRAULIC ROBOTIC ARM KIT

Long Arm Of The Law Physics

Home robotics, bubeleh. Build a working hydraulic arm with this excellent 66-piece kit from Pathfinders' Simple Machine series. Structure is die-cut plywood and the kit includes tubing, (3) syringes and glue. You'll need a ruler and scissors. The finished arm will be approx 13-1/2" tall and will reach out over 16" and rotate 90° on an 8-5/8' x 6-7/8" base. Comes with a 12-page manual and uses water. Beautiful, too. For ages 8+.

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$16.50 EACH

KEEP YOUR ANTS DOWN ON THE FARM

A Classic 6" x 8-1/2" x 3/8" Ant Farm. The ants will live between two parallel sheets of clear plastic and you will be able to watch them build their tunnels and chambers. Complete with sand and instruction booklet on the care, feeding watering and watching of your pet ants. Stands upright on its own base and includes an escape proof cover. Assuming you want live pets, you just order them online using the included code and weather permitting, the ant man will ship a small vial of the little critters straight to you. Comes with clear plastic tubing to create your own runways or buy multiples and connect them for your very own ant city. 

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CLASSIC ANT FARM

KEEP YOUR ANTS DOWN ON THE FARM

A Classic 6" x 8-1/2" x 3/8" Ant Farm. The ants will live between two parallel sheets of clear plastic and you will be able to watch them build their tunnels and chambers. Complete with sand and instruction booklet on the care, feeding watering and watching of your pet ants. Stands upright on its own base and includes an escape proof cover. Assuming you want live pets, you just order them online using the included code and weather permitting, the ant man will ship a small vial of the little critters straight to you. Comes with clear plastic tubing to create your own runways or buy multiples and connect them for your very own ant city. 

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$15.95 EACH

Poof-You’re A Magician!

You can’t start fooling people too early. This box of tricks is for budding magicians, and includes the props and instructions for (77) tricks. Includes a magic wand, without which you can’t be a magician, plus assorted cups, balls, cards and coin-trick frames. You add a few things like money, a handkerchief, gullible friends, etc. For ages 6+.

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MAGIC SET WITH 77 TRICKS

Poof-You’re A Magician!

You can’t start fooling people too early. This box of tricks is for budding magicians, and includes the props and instructions for (77) tricks. Includes a magic wand, without which you can’t be a magician, plus assorted cups, balls, cards and coin-trick frames. You add a few things like money, a handkerchief, gullible friends, etc. For ages 6+.

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$14.95 EACH

The Robotic Hedgehog

Sounds like a Europop group, but it’s actually your new tumbling pet. Also bristles his spines, rolls, spins and scurries. He’ll be a tad bigger than a baseball when assembled. The prewired circuitry is triggered by an audio sensor that will make him do multiple tricks when you applaud, and who else do you know who’ll do that? The solderless assembly, with over (170) parts, might be a tad challenging for the listed 7-10+ age, so we suggest some supervision. From Thames & Kosmos. You add (4) “AAA”s. (And he’s a hedgehog, so don’t expect him to share the hedge if you have one.)

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THAMES & KOSMOS TUMBLING HEDGEHOG KIT

The Robotic Hedgehog

Sounds like a Europop group, but it’s actually your new tumbling pet. Also bristles his spines, rolls, spins and scurries. He’ll be a tad bigger than a baseball when assembled. The prewired circuitry is triggered by an audio sensor that will make him do multiple tricks when you applaud, and who else do you know who’ll do that? The solderless assembly, with over (170) parts, might be a tad challenging for the listed 7-10+ age, so we suggest some supervision. From Thames & Kosmos. You add (4) “AAA”s. (And he’s a hedgehog, so don’t expect him to share the hedge if you have one.)

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$39.95 EACH

Wind-Powered Beasts

The Junior Scientist™ series brings you the staggeringly clever wind beasts from Dutch artist Theo Jensen. These mini versions of his giant contraptions come with detailed instructions and history of the projects. You pick the Strandbeest (strand as in beach because it was made to walk on sand), an 8" x 6-5/8" x 4-1/4", 117-part wind-powered automaton; or the Rhinoceros Mini-Beest, a 3-3/4" x 6-1/2" x 6", 128-piece wind-powered automaton. For ages 8 and up, the only tool you need is a scissors.

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JUNIOR SCIENTIST™ STRANDBEEST KIT

Wind-Powered Beasts

The Junior Scientist™ series brings you the staggeringly clever wind beasts from Dutch artist Theo Jensen. These mini versions of his giant contraptions come with detailed instructions and history of the projects. You pick the Strandbeest (strand as in beach because it was made to walk on sand), an 8" x 6-5/8" x 4-1/4", 117-part wind-powered automaton; or the Rhinoceros Mini-Beest, a 3-3/4" x 6-1/2" x 6", 128-piece wind-powered automaton. For ages 8 and up, the only tool you need is a scissors.

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$29.95 EACH

Leo Vinci Kits

Return with us now to those thrilling days of the 15th century, when Leonardo was designing stuff you wouldn't have thought of even if you'd paid attention in class and applied yourself. You choose from these wooden models of his genius designs. His unrealized aerial screw (think helicopter) stands approx 15" tall on a 9" square base and has a canvas canopy. Includes a 12-page manual and all the parts. For ages 9+. You’ll need glue, scissors and a ruler. The trebuchet (think catapult) is based on his original 1482 design, stands approx 24" tall x 12-3/4" x 4-1/2" and comes with all the parts, including a clay ball to launch at your favorite model castle, or your sister. Includes an 8-page instruction book and is for ages 12+. Bring glue, scissors, a ruler and some small clamps.Great resources for STEM activities.

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DAVINCI TREBUCHET KIT

Leo Vinci Kits

Return with us now to those thrilling days of the 15th century, when Leonardo was designing stuff you wouldn't have thought of even if you'd paid attention in class and applied yourself. You choose from these wooden models of his genius designs. His unrealized aerial screw (think helicopter) stands approx 15" tall on a 9" square base and has a canvas canopy. Includes a 12-page manual and all the parts. For ages 9+. You’ll need glue, scissors and a ruler. The trebuchet (think catapult) is based on his original 1482 design, stands approx 24" tall x 12-3/4" x 4-1/2" and comes with all the parts, including a clay ball to launch at your favorite model castle, or your sister. Includes an 8-page instruction book and is for ages 12+. Bring glue, scissors, a ruler and some small clamps.Great resources for STEM activities.

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Showing 55–72 of 206 results