$50 to $75

Until this ground-breaking kit was introduced, a physics set was almost unheard of. Physics is an essential science for everyone, and this kit prov...

Build your own adorable robotic pet hedgehog! With the 172 building pieces in this kit, you can assemble a real robot that looks like a cute hedgeh...

Do you ever wonder how bridges span huge distances and how skyscrapers stay standing? Structural engineers use physics and their knowledge of the p...

Open ended wooden building blocks enable kids to play and build: cars, animals, buildings and figures that express a variety of emotions. Recom...

Assemble this cutting-edge robotic arm from almost 300 plastic pieces, learning how each part comes together in its intricate mechanical design. Ju...

An all-new color for this bestselling Primary Science set! Budding scientists will have a blast conducting their own experiments using this ...

Build your way across the country with the Puzzle By Number® Map of the United States! Follow the enclosed pattern by placing each color on its mat...