Kids can build FIVE models from ONE set, and each educational toy model is progressively more challenging! A robot that dances, cracks jokes and passes gas! An interactive pet that plays, purrs and expresses its mood! A musical instrument learning toy with pitch bend and sound effects! A robust, versatile rover with four different tool attachments including a spring-loaded shooter! An automated production line that really builds miniature LEGO models! LEGO creations come to life with LEGO Boost, a robot kit for kids! Using the free app on a tablet, kids can code behaviors into whatever they build! They can build and code interactive, motorized robots, models and creations with distance, color and tilt sensor technologies.Download the free tablet app to your device and follow the step-by-step instructions for this great STEM toy! Please Note: A tablet running iOS 10.3 and newer/Android 5.0 or above is required to build and play with LEGO Boost.This set also includes a playmat for use with specific activities.