BEST SELLERS

Closed-Cycle Power

This excellent and beautiful Stirling engine would make Robbie Stirling himself proud. Has a 1/2" piston stroke and sits on a 7" x 3-1/2" wooden base. Comes with a small alcohol lamp to fire it, and is connected via a belt to a DC generator that fires some blue LEDs. Includes a spare hot gas container, power cylinder and piston-sealing ring, needle roller and silicon tube, which you shouldn't need for some time. You also get a trio of Allen wrenches for your tweaking needs. This is the ultimate desk toy, or demo unit for the more serious-minded. Check out our short video on Youtube!

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STIRLING ENGINE/GENERATOR

Closed-Cycle Power

This excellent and beautiful Stirling engine would make Robbie Stirling himself proud. Has a 1/2" piston stroke and sits on a 7" x 3-1/2" wooden base. Comes with a small alcohol lamp to fire it, and is connected via a belt to a DC generator that fires some blue LEDs. Includes a spare hot gas container, power cylinder and piston-sealing ring, needle roller and silicon tube, which you shouldn't need for some time. You also get a trio of Allen wrenches for your tweaking needs. This is the ultimate desk toy, or demo unit for the more serious-minded. Check out our short video on Youtube!

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$89.95 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

The Original Air B&B

One story, one entrance. Small perch-porch. Our pine birdhouse kit comes with glue, paint (red, yellow, blue and white), and a chain to hang it with. Just under 5” tall when finished with a 1-1/8” ID front door. Only approx 2/3 of a square foot of living space, but birds like cozy.

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BIRDHOUSE KIT

The Original Air B&B

One story, one entrance. Small perch-porch. Our pine birdhouse kit comes with glue, paint (red, yellow, blue and white), and a chain to hang it with. Just under 5” tall when finished with a 1-1/8” ID front door. Only approx 2/3 of a square foot of living space, but birds like cozy.

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$11.95 EACH

Inspector Gizmo?

The Big Book of Gizmos & Gadgets is a 96-page book from Woodworking & Crafts magazine, and has designs and full-size patterns for (15) projects from toys, noisemakers and automata to a rubber-band Gatling gun and gear machine. Most can be made with hand tools and patience, but the authors admit that a table saw, scroll saw, drill press, sander and rotary tool make things a whole lot easier.

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GIZMOS & GADGETS BOOK

Inspector Gizmo?

The Big Book of Gizmos & Gadgets is a 96-page book from Woodworking & Crafts magazine, and has designs and full-size patterns for (15) projects from toys, noisemakers and automata to a rubber-band Gatling gun and gear machine. Most can be made with hand tools and patience, but the authors admit that a table saw, scroll saw, drill press, sander and rotary tool make things a whole lot easier.

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$16.95 EACH

Paleontology Made Simple

Why go dig up half of Utah when you can just line these little 6” long dinosaur skeletons up on your dresser? You’ll get (3) different ones from our collection of dilophosaurus, parasaurolophus, T-Rex, pentaceratops, triceratops, pterodactyl, stegosaurus, brachiosaurus and ankylosaurus.

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ASSORTED 6” DINOSAUR SKELETONS

Paleontology Made Simple

Why go dig up half of Utah when you can just line these little 6” long dinosaur skeletons up on your dresser? You’ll get (3) different ones from our collection of dilophosaurus, parasaurolophus, T-Rex, pentaceratops, triceratops, pterodactyl, stegosaurus, brachiosaurus and ankylosaurus.

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$4.50 PKG (3)

A Drive Train From Scratch

Build your own. This is a very nice kit from Tamiya, but not for beginners or the fumble-fingered, since it's fairly complex and can take a couple hours to assemble. The Twin Gear Motor Kit has a pair of 2.3VDC motors that draw approx 60mA no load, stall at 130mA, and will run 60 to 212 rpm. Finished size is approx 3" long x 2" x 7/8" with dual 1-1/16" long x 1/8" dia hexagonal shafts.

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TWIN GEAR MOTOR

A Drive Train From Scratch

Build your own. This is a very nice kit from Tamiya, but not for beginners or the fumble-fingered, since it's fairly complex and can take a couple hours to assemble. The Twin Gear Motor Kit has a pair of 2.3VDC motors that draw approx 60mA no load, stall at 130mA, and will run 60 to 212 rpm. Finished size is approx 3" long x 2" x 7/8" with dual 1-1/16" long x 1/8" dia hexagonal shafts.

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$14.95 EACH

Still Extinct But Still Fun

These colorful molded rubber dinosaur figures are 4" to 7" long, depending, and include a velociraptor, stegosaurus, pterodactyl and brachiosaurus, among others. We'll pick (2) different prehistoric beasts for you from our menagerie of detailed, high-quality models, which could be used for learning as much as playing.

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RUBBER DINOSAURS

Still Extinct But Still Fun

These colorful molded rubber dinosaur figures are 4" to 7" long, depending, and include a velociraptor, stegosaurus, pterodactyl and brachiosaurus, among others. We'll pick (2) different prehistoric beasts for you from our menagerie of detailed, high-quality models, which could be used for learning as much as playing.

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$7.95 PKG (2)

Get Ready To Rock

Earth science rocks. These kits from GeoCentral® are made for ages 8+ and all include (15) rock samples, a magnifier, streak plate for testing hardness and an 11-page fact booklet. You pick: the sedimentary set, which includes oil shale, shell limestone, quartz sandstone and chart or the igneous rock set, which includes diorite, gabbro, peridotite and scoria. Plus many more in each set. Rock on!

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18 PIECE IGNEOUS ROCK KIT

Get Ready To Rock

Earth science rocks. These kits from GeoCentral® are made for ages 8+ and all include (15) rock samples, a magnifier, streak plate for testing hardness and an 11-page fact booklet. You pick: the sedimentary set, which includes oil shale, shell limestone, quartz sandstone and chart or the igneous rock set, which includes diorite, gabbro, peridotite and scoria. Plus many more in each set. Rock on!

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Snap To It

Electronic fun is easy with this Arcade kit from the award-winning Snap Circuits® line. Makes (203) sound-, light- and motion-related projects, and includes, along with a lot of other sub-circuits, a programmable fan, alarm, 2-digit numerical display, disco motor and micro-controller that can be programmed for (21) games. You add (3) "AA" batteries and a player 8 or older.

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SNAP CIRCUITS® ARCADE KIT

Snap To It

Electronic fun is easy with this Arcade kit from the award-winning Snap Circuits® line. Makes (203) sound-, light- and motion-related projects, and includes, along with a lot of other sub-circuits, a programmable fan, alarm, 2-digit numerical display, disco motor and micro-controller that can be programmed for (21) games. You add (3) "AA" batteries and a player 8 or older.

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$46.50 EACH
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LIQUID-POWERED CLOCK KIT
NEW

The Soy Sauce Clock!

On the heels of the Pineapple Watch, comes this H20 Clock Kit that features a digital clock powered by liquids. Includes a 3/4" LCD clock display, (2) 4" vials that hold 3 oz each, lids with prewired copper and zinc electrodes, and a base with spring terminals to wire and hold everything. And yes, it will work with soy sauce apple juice, diet cola, whatever, if water strikes you (clock joke there, no charge) as boring. Also includes a 10-page manual. Ages 8+.

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LIQUID-POWERED CLOCK KIT

The Soy Sauce Clock!

On the heels of the Pineapple Watch, comes this H20 Clock Kit that features a digital clock powered by liquids. Includes a 3/4" LCD clock display, (2) 4" vials that hold 3 oz each, lids with prewired copper and zinc electrodes, and a base with spring terminals to wire and hold everything. And yes, it will work with soy sauce apple juice, diet cola, whatever, if water strikes you (clock joke there, no charge) as boring. Also includes a 10-page manual. Ages 8+.

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$12.95 EACH
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HUMAN TORSO MODEL WITH REMOVABLE ORGANS
NEW

He’s Got Guts

Or woman. This 10” tall human torso model looks male, but stops short of the naughty bits. In either case, there are plenty of interesting removable organs inside, including intestines, liver, stomach, heart and lungs. Torso is on a 5" x 3" base, and comes with a spiral-bound, 22-page manual, with augmented reality activities available in 3D videos via your smart phone. For ages 8+.

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HUMAN TORSO MODEL WITH REMOVABLE ORGANS

He’s Got Guts

Or woman. This 10” tall human torso model looks male, but stops short of the naughty bits. In either case, there are plenty of interesting removable organs inside, including intestines, liver, stomach, heart and lungs. Torso is on a 5" x 3" base, and comes with a spiral-bound, 22-page manual, with augmented reality activities available in 3D videos via your smart phone. For ages 8+.

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$39.95 EACH

Gyros-R-We

Gyroscopes, not Greek sandwiches with tzatziki sauce. This multi-award-winning, 102-piece kit from Thames & Kosmos features (7) projects using motorized gyroscope-based science. Includes a gyrobot, personal transporter (think Segway), gyro horizon, gyrocompass, balance game, tightrope walker and flight simulator. Includes a 24-page manual and requires (3) “AAA” batteries and a little curiosity.

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GYROBOT KIT

Gyros-R-We

Gyroscopes, not Greek sandwiches with tzatziki sauce. This multi-award-winning, 102-piece kit from Thames & Kosmos features (7) projects using motorized gyroscope-based science. Includes a gyrobot, personal transporter (think Segway), gyro horizon, gyrocompass, balance game, tightrope walker and flight simulator. Includes a 24-page manual and requires (3) “AAA” batteries and a little curiosity.

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$49.95 EACH

Gentlekids…Start Your Marbles

STEMfun, from Tinkineer’s Marblecity® line, which specializes in laser-cut wooden marble run kits that never get old to marvel at. You pick the 30-piece Mini Marble Skate Park kit, which will stand approx 6” tall on a 4” x 6” base, for ages 9+; or the Dragon Marble Coaster kit, with 80+ parts, which will stand approx 8” tall x 6” x 8”, for ages 12+. But wait--if you get them both, you can connect them to expand your marble madness! Both include comic-style instruction booklets and steel ball bearings. You add the glue.

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WOODEN LASER-CUT DRAGON COASTER KIT

Gentlekids…Start Your Marbles

STEMfun, from Tinkineer’s Marblecity® line, which specializes in laser-cut wooden marble run kits that never get old to marvel at. You pick the 30-piece Mini Marble Skate Park kit, which will stand approx 6” tall on a 4” x 6” base, for ages 9+; or the Dragon Marble Coaster kit, with 80+ parts, which will stand approx 8” tall x 6” x 8”, for ages 12+. But wait--if you get them both, you can connect them to expand your marble madness! Both include comic-style instruction booklets and steel ball bearings. You add the glue.

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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

Design-Build-Fly Airplane Kit

Design your own planes, then fly 'em. This kit has (35) parts including balsa wings and bodies, plastic struts and landing gears, rubber-band drives and (3) props. Comes with instructions for (4) planes, including an X-wing and tri-plane, but it's made for you to experiment with your own designs. Also made to build, disassemble and rebuild different models. For ages 8+.

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AIRPLANE DESIGN STUDIO BUILD-FLY KIT

Design-Build-Fly Airplane Kit

Design your own planes, then fly 'em. This kit has (35) parts including balsa wings and bodies, plastic struts and landing gears, rubber-band drives and (3) props. Comes with instructions for (4) planes, including an X-wing and tri-plane, but it's made for you to experiment with your own designs. Also made to build, disassemble and rebuild different models. For ages 8+.

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$26.50 EACH

Science In A Can

You can’t put science on a stick, but you can put it in a can. The Crazy Scientist™ lab kits for young researchers come from The Purple Cow® in 6-1/2” x 9-1/2” x 1-1/2” tins. You pick from: The Water Gel Science Kit for ages 8+ with (14) experiments, lots of supplies and a 15-page manual; the Magnetic Wonder Kit for ages 8+ with a variety of materials and a 20-page manual; or the Young Survivor Kit, for preppers as young as 6, with (13) projects, equipment, and a 20-page manual.

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KIT, YOUNG SURVIVOR, 13 DIFFERENT PROJECTS

Science In A Can

You can’t put science on a stick, but you can put it in a can. The Crazy Scientist™ lab kits for young researchers come from The Purple Cow® in 6-1/2” x 9-1/2” x 1-1/2” tins. You pick from: The Water Gel Science Kit for ages 8+ with (14) experiments, lots of supplies and a 15-page manual; the Magnetic Wonder Kit for ages 8+ with a variety of materials and a 20-page manual; or the Young Survivor Kit, for preppers as young as 6, with (13) projects, equipment, and a 20-page manual.

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Whiz Kits

Two fantastic kits from ScienceWiz™, both by Berkeley science-education whiz Penny Norman, Ph.D. The Light kit has (25) projects, including a kaleidoscope, microscope and more. The Chemistry kit has (35) projects, and you get vials of sand and baking soda, pipets, test tubes, and a lot more.  You add some household items and a "D" battery, except the Chemistry kit. Both are attractively boxed, with lavishly illustrated 30-48pp instruction books and perfect for STEM projects. Ages 5 to 10. (Light kit, ages 6 to 12.)

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SCIENCEWIZ™ LIGHT

Whiz Kits

Two fantastic kits from ScienceWiz™, both by Berkeley science-education whiz Penny Norman, Ph.D. The Light kit has (25) projects, including a kaleidoscope, microscope and more. The Chemistry kit has (35) projects, and you get vials of sand and baking soda, pipets, test tubes, and a lot more.  You add some household items and a "D" battery, except the Chemistry kit. Both are attractively boxed, with lavishly illustrated 30-48pp instruction books and perfect for STEM projects. Ages 5 to 10. (Light kit, ages 6 to 12.)

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$24.95 EACH

Dino Cards

Like baseball cards, except with dinosaurs. And no gum. (You wouldn’t want surplus gum anyway.) Measure 3-1/2” x 2-1/2”, assorted and laminated, so they’ll last longer between bicycle spokes. You’ll get (4) packs, (8) cards to a pack. You can try to collect them all but we have no idea how many there are. We’re going to say lots, just like the dinosaurs themselves.

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LAMINATED DINOSAUR TRADING CARDS

Dino Cards

Like baseball cards, except with dinosaurs. And no gum. (You wouldn’t want surplus gum anyway.) Measure 3-1/2” x 2-1/2”, assorted and laminated, so they’ll last longer between bicycle spokes. You’ll get (4) packs, (8) cards to a pack. You can try to collect them all but we have no idea how many there are. We’re going to say lots, just like the dinosaurs themselves.

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$3.95 PKG (4)

Showing 145–162 of 252 results