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Thames & Kosmos Massive Erupting Volcano

$39.99

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Thames & Kosmos Wind Power 4.0

$55.99

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Thames & Kosmos My Robotic Pet Tumbling Hedgehog

$59.99

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Thames & Kosmos ChemisTreats! Candy+Chemistry

$8.99

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Thames & Kosmos Spy Labs: Secret Codes & Ciphers

$9.99

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Thames & Kosmos Spy Labs: Night Vision Goggles

$22.99

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Thames & Kosmos Simple Machines Stem Experiment Kit

$29.99

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Thames & Kosmos Ooze Labs Alien Slime Lab

$29.99

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Thames & Kosmos Roller Coaster Engineering

$61.99

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Thames & Kosmos Mega Cyborg Hydro Blaster Kit

$44.99

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Thames & Kosmos Code+Control Dinosaur Robot: REX

$69.99

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Thames & Kosmos Crystal Growing Kit

$14.99

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Thames & Kosmos Gumball Machine Maker Super Stunts & Tricks

$39.99

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Thames & Kosmos 6-in-1 Catapult Engineering Kit

$24.99

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Thames & Kosmos Solar Race Car Science Kit

$19.99

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Thames & Kosmos Lollipop Lab

$26.99

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Thames & Kosmos Easy Electric Circuits

$29.99

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Thames & Kosmos Groovy Glowing Candy Lab

$19.99

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Thames & Kosmos Rubber Band Racers

$26.99

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Learn To Solder Kits Jitterbug Soldering Practice Kit

$14.99

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Sensory Science Activity Kit

$29.99

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Thames & Kosmos Ultra Bionic Blaster Robotics Kit

$39.99

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Rail Set (for Monorail Train)

$7.99

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WIND POWERED RACER

$24.99

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Water Power - Rocket-Propelled Cars, Boats, and More

$29.99

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Solar Powered Rovers STEM Experiment Kit

$19.99

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STEM Experiment Glow-in-the-Dark Science Lab Kit

$19.99

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Gravity Bugs Free-Climbing MicroBot

$24.99

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SpringBots 3-in-1 Spring-Powered Machines

$36.99

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Tamiya JR RC Sprint Dash Motor

$5.99