32 pieces, over 6 experiments & creations: This amazing 32-piece wooden toy includes everything you need. Kids four years and up will learn the science behind the experiments. Steam education: this steam kit is great with loads of experiments! As you complete each one, you'll create a device that will teach you about scientific principles including persistence of vision, pulley drive system and lever principle. App makes these experiments so easy: to help little ones start, Hope “know-how” app will help your children to complete the science activities with easy to follow, step-by-step instructions and they will be delighted with the results of fun science at home. Made for little hands: this Hape kit has all the components and tools designed for children’s hands and skill levels. Smart design: perfect toy for any home, This wooden box can be used for storage. The handle is easy for carrying around.