$20 to $50

Ever dreamed of having a vending machine in your room? With this engineering kit, you can build and experiment with your own toy vending machine. F...

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

Welcome to the fascinating world of mechanical engineering! Make 8 motorized robots that move in different ways while exploring how each one uses g...

Future engineers design and build a chain reactions machine using LEGO technic bricks! They'll play, learn, and wow as they construct 20 different ...

Build your own mechanical hand, slip it on like a glove, and get a grip, without motors or electricity. It uses hydraulic power to simulate the mov...

Future engineers enjoy the focused work of this 180-piece cyber hand build that teaches them about mechanical assembly and hydraulics. Once built, ...

Get future engineers on track for STEM learning with this model train set of the future! They'll enjoy the focused work of building this 186-piece ...

Curious kids can play with electricity in a safe, exciting way with snap circuits! This kit guides tween scientists through an exploration of air p...