Stemwurks

Description: Thames & Kosmos 545002 Wow in the World: Break-Open Crystal Geodes Unearth your inner geologist as you break open ten real geode specimens to reveal beautiful, sparkling crystals inside. Using your own hammer and the included safety goggles,...

Description: Thames & Kosmos 550014 Ultralight Airplanes Construct awesome flying gliders with ultralight plastic and bamboo parts. Build five different types of planes with different wing configurations to learn how wings provide lift and how planes...

Description: Thames & Kosmos 550030 Solar-Powered Rovers The sun™s energy can be used to do some pretty astonishing things! Get ready to explore the amazing capabilities of solar energy by building your own solar-powered vehicles and devices. Using a...

Description: Thames & Kosmos 550037 Orbiting Solar System Set the planets in motion with a flick of your wrist! Build a mechanical model of the solar system including the sun and eight planets (also known as an orrery), wind it up, and watch the planets...

Description: Thames & Kosmos 550038 SpringBots: 3-in-1 Spring-Powered Machines Build a motorized robot, race car, and countdown timer, all that run without any batteries or electrical power! The secret behind these fascinating machines is a power...

Description: Thames & Kosmos 550041 Easy Electric Circuits Explore the science of electricity in a fun, hands-on way by building 20 electric circuits and motorized devices. Conduct experiments to learn about many electrical components and physical...

Description: Thames & Kosmos 550047 WindBots: 6-in-1 Wind-Powered Machine Kit Build six awesome bots that move without any batteries or electricity. The secret behind these fascinating machines is one of the oldest power sources in the world: wind! A...

Description: Thames & Kosmos 550201 Gecko Run: Marble Run Starter Set Gecko Run takes classic marble runs to the next level with new creative challenges and less restrictive building requirements. This innovative marble run uses a specially designed...

Description: Thames & Kosmos 552001 ReBotz: Scootz - The Cranky Crawling Robot Robots ahoy! This crawling robot is cobbled together from two halves of an old pirate ship™s wheel, and scoots along the floor on a repurposed iron and snow ski. Ages: 6+

Description: Thames & Kosmos 555004 Remote Control Machines Build your own motorized vehicles and machines and control them with a wireless remote control unit. A unique six-button infrared remote allows you to control three different motors...

Description: Thames & Kosmos 555060 Geared-Up Gadgets Build five fun gadgets and learn about gears and transmissions. Create a helicopter model with a rotor that spins using a rubber band-powered motor. Assemble a spinner toy that you wind up to launch...

Description: Thames & Kosmos 555061 Engineering Makerspace: Kinetic Machines Make five awesome machines and learn about the physics of force, motion, and energy. Construct a rubber band-powered race car that zooms across the floor. Build a catapult and...