Cubelets TWENTY is the perfect way to investigate robotics. Cubelets® robot blocks are a groundbreaking learning toy designed for budding innovators ages four and up. The Cubelets TWENTY kit comes complete with everything inventors young and old need to build thousands of interactive robot constructions. The included Brick Adapters connect to your favourite brick-based construction toys, too. With 15 different types of Cubelets, robot construction is remarkably simple. With Cubelets, anyone can learn the concepts of design, engineering, programming and creative problem solving. Experiment and invent -- there’s no wrong way to build with Cubelets!