Amazon.com: Thames & Kosmos Simple Machines Science Experiment & Model Building Kit, Introduction to Mechanical Physics, Build 26 Models to Investigate The 6 Classic Simple Machines : Everything Else
Amazon.com: Thames & Kosmos Orbiting Solar System STEM Kit | Build a Rotating Solar System Model | Planets Revolve Using a Windup Motor | Explore Gear Ratios | Science Fairs | Difficulty
Amazon.com: Thames & Kosmos Easy Electric Circuits STEM Kit | Essential Circuitry Set | 15 Experiments, 5 Motorized Models - Electricity, Current, Voltage, LEDs & More | Innovative, Easy-to-Use Building System : Toys & Games
Amazon.com: Thames & Kosmos Magnet Science Kit 665050 & Motors and Generators Science Kit 665036 Age 8+ STEM
Amazon.com: Thames & Kosmos Simple Machines Science Experiment & Model Building Kit, Introduction to Mechanical Physics, Build 26 Models to Investigate The 6 Classic Simple Machines : Everything Else
Amazon.com: Thames & Kosmos Wind Power V4.0 STEM Experiment Kit | Build a 3ft Wind Turbine to Generate Electricity | Learn About Renewable Energy & Power a Small Model Car | Weatherproof
Amazon.com: Thames & Kosmos Magnet Science Kit 665050 & Motors and Generators Science Kit 665036 Age 8+ STEM
Amazon.com: Thames & Kosmos Magnetic Science | 33 STEM Experiments | Ages 8+ | Learn About Earth's Magnetic Poles | Discover How Invisible Magnetic Fields Work | Full-Color 48-Page Manual
Amazon.com: Thames & Kosmos Simple Machines Science Experiment & Model Building Kit, Introduction to Mechanical Physics, Build 26 Models to Investigate The 6 Classic Simple Machines : Everything Else