THAMES & KOSMOS

How many ways can you design a gumball machine? There's no limit here! Place the pieces in different configurations–turn the handle and see if your...

It’s glow time! Conduct fun and illuminating experiments with glowing substances and neon pigments with this exciting (and educational!) science ki...

An easy-to-read storybook and 53 different parts let preschoolers build 10 robots, while developing simple engineering skills. Follow the funny adv...