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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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Solar Mobile

The problem with mobiles is that you have to wait to inherit the wind before they do anything interesting. Until now. This devilishly clever mobile has an 8” wide single prop plane with a solar cell up top mounted on a crossbar with a coin holder at the opposite end for ballast. The whole shebang is approx 18” long. Can be hung on the included 5” ball chain or set on top of an empty plastic pop bottle. In white plastic, which you could paint if you tend to paint things. Ages 8+.

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SOLAR SINGLE PROP AIRPLANE MOBILE

Solar Mobile

The problem with mobiles is that you have to wait to inherit the wind before they do anything interesting. Until now. This devilishly clever mobile has an 8” wide single prop plane with a solar cell up top mounted on a crossbar with a coin holder at the opposite end for ballast. The whole shebang is approx 18” long. Can be hung on the included 5” ball chain or set on top of an empty plastic pop bottle. In white plastic, which you could paint if you tend to paint things. Ages 8+.

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$19.95 EACH

Barn-Owl Pellets

Nothing beats owl pellets for the edification of budding biologists. These are from barn owls and they're domestic, yurped up by your American barn owls, each with a skeleton inside. Keep them refrigerated to keep the moths away. Most are approx 1-1/2" to 2" long.

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OWL PELLETS

Barn-Owl Pellets

Nothing beats owl pellets for the edification of budding biologists. These are from barn owls and they're domestic, yurped up by your American barn owls, each with a skeleton inside. Keep them refrigerated to keep the moths away. Most are approx 1-1/2" to 2" long.

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$7.50 PKG (2)

Wooden You Rather Use Wood?

Who woodn’t, really? In a world of plastics, it’s hard to beat a model fashioned from pieces of dead trees. You pick from our assortment of pre-cut unfinished wood models made for ages 8+, and all you add is wood glue, paint, sandpaper and simple hand tools: the 12-piece drag racer will measure 6-3/4” long x 2” tall and the 35-piece steam engine will measure 7-3/8” long x 4-3/8” tall.

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WOODEN STEAM ENGINE MODEL KIT

Wooden You Rather Use Wood?

Who woodn’t, really? In a world of plastics, it’s hard to beat a model fashioned from pieces of dead trees. You pick from our assortment of pre-cut unfinished wood models made for ages 8+, and all you add is wood glue, paint, sandpaper and simple hand tools: the 12-piece drag racer will measure 6-3/4” long x 2” tall and the 35-piece steam engine will measure 7-3/8” long x 4-3/8” tall.

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Science For Kids

We like The Usborne Book of Science Activities a whole bunch. It’s volume one of the Helen Edom and Kate Woodward series, a 74-page hardcover that includes experiments with water, magnets, light and mirrors, with plenty of puzzles and projects--profusely illustrated, throughout. Handy for keeping your young one's mind in shape when not in school or as family learning projects.

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SCIENCE ACTIVITY BOOK

Science For Kids

We like The Usborne Book of Science Activities a whole bunch. It’s volume one of the Helen Edom and Kate Woodward series, a 74-page hardcover that includes experiments with water, magnets, light and mirrors, with plenty of puzzles and projects--profusely illustrated, throughout. Handy for keeping your young one's mind in shape when not in school or as family learning projects.

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$13.95 EACH

Are You Logical? Don’t Lie!

Electronic fun with just a hint of soldering from Madlab. You pick: the lie detector kit, with a PC board and components, or the LED logic game with diodes and transistors that pit your skill against moving a peg along (36) pads. You should be able to assemble either kit in under an hour with a little light soldering. You add a 9V battery to both. For ages 10 and up. Soldering iron not included. But we have one, and it’s item #88242 for $6.95.

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KIT, TOY LIE DETECTOR, REQ. 9V, SOLDERING REQ.

Are You Logical? Don’t Lie!

Electronic fun with just a hint of soldering from Madlab. You pick: the lie detector kit, with a PC board and components, or the LED logic game with diodes and transistors that pit your skill against moving a peg along (36) pads. You should be able to assemble either kit in under an hour with a little light soldering. You add a 9V battery to both. For ages 10 and up. Soldering iron not included. But we have one, and it’s item #88242 for $6.95.

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Genuine Replica Arrowheads

No, that's not a contradiction. These are real arrowheads, made like the originals, but as replicas. You get a clear-plastic case with (4) of them, (2) made from jasper and (2) from obsidian. Sizes range from 1-3/8" long to approx 2". Has a short fact sheet, but no arrows.

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ARROWHEADS

Genuine Replica Arrowheads

No, that's not a contradiction. These are real arrowheads, made like the originals, but as replicas. You get a clear-plastic case with (4) of them, (2) made from jasper and (2) from obsidian. Sizes range from 1-3/8" long to approx 2". Has a short fact sheet, but no arrows.

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$4.25 EACH

No Motor, No Problem

Compressed air fun, and you do the compression. For ages 10+, this air power STEM education kit has all the parts to make a piston-powered car with a hand-pump-filled thick-walled bottle/tank, pressure meter, safety valves that bleed off over-pumped air, gears, tubing and treaded wheels. Assembled car will be 9" long and is reputed to run 164 feet in 35 seconds at a top speed of 45 MPH! You'll need a few common hand tools.

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AIR POWER RACER KIT

No Motor, No Problem

Compressed air fun, and you do the compression. For ages 10+, this air power STEM education kit has all the parts to make a piston-powered car with a hand-pump-filled thick-walled bottle/tank, pressure meter, safety valves that bleed off over-pumped air, gears, tubing and treaded wheels. Assembled car will be 9" long and is reputed to run 164 feet in 35 seconds at a top speed of 45 MPH! You'll need a few common hand tools.

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$21.95 EACH

Science Is So Cool

And this Cool Science experiment kit is at least cool and a half. Has (8) experiments in its 24-page booklet, including (3) with polymer crystals, (3) using friction and (5) dealing with density and pressure. Comes with a bag of multicolored polymer beads, (3) balloons, (4) hunks of modeling clay, a straw, a pipet, a glass test tube and stopper, 3-way tubing connector, (20) rubber bands, a marble and a small hex-nut. You add some common household items. Ages 8+.

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KIDS COOL SCIENCE EXPERIMENT KIT

Science Is So Cool

And this Cool Science experiment kit is at least cool and a half. Has (8) experiments in its 24-page booklet, including (3) with polymer crystals, (3) using friction and (5) dealing with density and pressure. Comes with a bag of multicolored polymer beads, (3) balloons, (4) hunks of modeling clay, a straw, a pipet, a glass test tube and stopper, 3-way tubing connector, (20) rubber bands, a marble and a small hex-nut. You add some common household items. Ages 8+.

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$13.50 EACH

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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$34.95 EACH

Who’s Metal Models

From Metal Earth®, the people who make shiny metal 3D models, now comes the Doctor Who metal models. All punch-outs with no glue or soldering required. You pick: the Golden Dalek, at 2-1/4” x 3” x 1-1/4”; or the Blue Tardis model at 1-5/8” square x 3-1/4” tall. And if you don’t know what a Dalek or Tardis  is, you shouldn’t even be reading this. These are challenging models, so rated for all ages over 14.

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BLUE 3D TARDIS MODEL

Who’s Metal Models

From Metal Earth®, the people who make shiny metal 3D models, now comes the Doctor Who metal models. All punch-outs with no glue or soldering required. You pick: the Golden Dalek, at 2-1/4” x 3” x 1-1/4”; or the Blue Tardis model at 1-5/8” square x 3-1/4” tall. And if you don’t know what a Dalek or Tardis  is, you shouldn’t even be reading this. These are challenging models, so rated for all ages over 14.

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QuadraBot

Take the (32) pieces in this motorized robot kit and you can make a 6-legged cricket, a gear-driven trailer, a two-legged rolling beastie or a grandfather. And all of them are as cute as robot buttons, especially the bobble-headed grampa. From OWI, the robot people. Sizes vary, but he’ll stand 10-1/2” tall. You add (1) “AA” battery for power. Solderless, but bring a screwdriver and side cutters.

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32-PIECE MULTI-SHAPE ROBOT KIT

QuadraBot

Take the (32) pieces in this motorized robot kit and you can make a 6-legged cricket, a gear-driven trailer, a two-legged rolling beastie or a grandfather. And all of them are as cute as robot buttons, especially the bobble-headed grampa. From OWI, the robot people. Sizes vary, but he’ll stand 10-1/2” tall. You add (1) “AA” battery for power. Solderless, but bring a screwdriver and side cutters.

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$19.50 EACH

Really Big T-Rex

Impressive, this 3-foot Lizard King. The 1:14 scale plastic model of a Tyrannosaurus Rex skeleton has 51 bones that snap together, then snap apart easily for later use, which is more than you can say about the original. Measures 36" long, and comes with a display stand. Bones are nicely aged for paleontological verisimilitude. Very nice kit, with legs, as they say! For ages 8 and up.

Please Note: Your entire order will ship standard ground when purchasing this item. Contact us for expedited shipping information. Thanks!

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T-REX SKELETON

Really Big T-Rex

Impressive, this 3-foot Lizard King. The 1:14 scale plastic model of a Tyrannosaurus Rex skeleton has 51 bones that snap together, then snap apart easily for later use, which is more than you can say about the original. Measures 36" long, and comes with a display stand. Bones are nicely aged for paleontological verisimilitude. Very nice kit, with legs, as they say! For ages 8 and up.

Please Note: Your entire order will ship standard ground when purchasing this item. Contact us for expedited shipping information. Thanks!

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$54.95 EACH

You Pan For Gold?

Now you do. Get started on your first million with a hunk of gray miner's moss--the stuff you line your sluice box with. Our moss hunks are 36" x 12" x 1/4". It ain’t 1849 anymore but there’s still gold in them there hills. Gold, we say!

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MINER’S MOSS MATTING

You Pan For Gold?

Now you do. Get started on your first million with a hunk of gray miner's moss--the stuff you line your sluice box with. Our moss hunks are 36" x 12" x 1/4". It ain’t 1849 anymore but there’s still gold in them there hills. Gold, we say!

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$10.50 EACH

Rocks In The Mail

You say you haven’t got time to wander beaches and woods in search of interesting rocks to tumble? We feel your pain. Order up this rock-tumbler refill kit, and you’ll get approx a pound of assorted quartz, hematite and agate pieces (we got 30+ in our sample bag) without leaving your couch. Also included are 1/2-oz packs of coarse, medium, fine and polish-grade grit, plus a necklace, ring, key-chain and double earring clips for to hold your polished stones.

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1-LB ASSORTED ROCKS AND ACCESSORIES

Rocks In The Mail

You say you haven’t got time to wander beaches and woods in search of interesting rocks to tumble? We feel your pain. Order up this rock-tumbler refill kit, and you’ll get approx a pound of assorted quartz, hematite and agate pieces (we got 30+ in our sample bag) without leaving your couch. Also included are 1/2-oz packs of coarse, medium, fine and polish-grade grit, plus a necklace, ring, key-chain and double earring clips for to hold your polished stones.

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$15.95 EACH

Get Ready To Rock

Earth science rocks. This igneous rock kit from GeoCentral® is made for ages 8+ and includes (15) rock samples, a magnifier, streak plate for testing hardness and an 11-page fact booklet. You get white and pink granite, diorite, gabbro, peridotite, vesicular, amygdaloidal and regular basalt, snowflake and regular obsidian, rhyolite, andesite, trachyte, pumice and scoria. Rock on!

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18 PIECE IGNEOUS ROCK KIT

Get Ready To Rock

Earth science rocks. This igneous rock kit from GeoCentral® is made for ages 8+ and includes (15) rock samples, a magnifier, streak plate for testing hardness and an 11-page fact booklet. You get white and pink granite, diorite, gabbro, peridotite, vesicular, amygdaloidal and regular basalt, snowflake and regular obsidian, rhyolite, andesite, trachyte, pumice and scoria. Rock on!

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$12.95 EACH

Working Wooden Models

One--they’re made of laser-cut, press-fit wood so you don’t need tools or glue. Two--their working pistons and gears are so intricate and precise you might be surprised they’re just wood. Three--you’re tired of models that just sit there looking pretty. You pick: Pneumatic Engine or Mechanical Timer. Engine kit is (81) pieces at 1:87 scale. Add a simple balloon to operate its pistons. Finished model will measure approx 6-1/4” x 3” x 4” tall. Timer kit is (107) pieces and will be 6-7/8” x 3-3/16” x 10-1/16” tall, and run for (20) minutes on rubber bands. Moving gears are completely visible. Both kits made in Ukraine and are for ages 14+.

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WOODEN TIMER MODEL

Working Wooden Models

One--they’re made of laser-cut, press-fit wood so you don’t need tools or glue. Two--their working pistons and gears are so intricate and precise you might be surprised they’re just wood. Three--you’re tired of models that just sit there looking pretty. You pick: Pneumatic Engine or Mechanical Timer. Engine kit is (81) pieces at 1:87 scale. Add a simple balloon to operate its pistons. Finished model will measure approx 6-1/4” x 3” x 4” tall. Timer kit is (107) pieces and will be 6-7/8” x 3-3/16” x 10-1/16” tall, and run for (20) minutes on rubber bands. Moving gears are completely visible. Both kits made in Ukraine and are for ages 14+.

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Musical Steel Wheel

Let them build like their grandfather built. This colorful Steel Works Ferris Wheel construction kit from Schylling has over (950) pieces, plus tools to assemble a 14” tall model. We’re talking about hours of fun and brain challenges here! Includes a music box mechanism that plays “The Entrance of the Gladiators,” aka “Thunder and Blazes”. Kids who are really inventive can take it apart and use the pieces to assemble a creation of their own. The possibilities are just about endless. For ages 8+.

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STEEL FERRIS WHEEL WITH MUSIC BOX KIT

Musical Steel Wheel

Let them build like their grandfather built. This colorful Steel Works Ferris Wheel construction kit from Schylling has over (950) pieces, plus tools to assemble a 14” tall model. We’re talking about hours of fun and brain challenges here! Includes a music box mechanism that plays “The Entrance of the Gladiators,” aka “Thunder and Blazes”. Kids who are really inventive can take it apart and use the pieces to assemble a creation of their own. The possibilities are just about endless. For ages 8+.

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$49.95 EACH

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