Sold out Temporarily Out of Stock Thames & Kosmos 665069 Simple Machines Description: Thames & Kosmos 665069 Simple Machines Jumpstart your study of mechanical physics by learning all about simple machines and how they're used to make complex tasks easier to do. Through... $29.95 Temporarily Out of Stock Compare
Sold out Temporarily Out of Stock Thames & Kosmos 665082 SolarBots 8-in-1 Solar Robot Kit Product Description Build unique robots that are powered by the sun, batteries not required! Using a compact solar panel, these cool little bots harness energy from the sun to power an electric motor... $26.95 Temporarily Out of Stock Compare
Sold out Temporarily Out of Stock Thames & Kosmos 665107 Catapults & Crossbows Product Description Its time to get medieval on physics! Build ten sleek and updated models of catapults and crossbows. These classic siege weapons from the middle ages also happen to be great tools... $26.95 Temporarily Out of Stock Compare
