This STEM-inspired building set brings imagination to life, cube by colorful cube. Building toy set comes with 200 cubes. Following along with the included activity guide, kids can tackle more than a dozen building challenges to build their own puppy pal, create a vroom-ready motorcycle, transform cubes into a whooshing rocket ship, or make their own creations. While they build, kids will also learn early critical thinking and design concepts as well as strengthen their fine-motor skills. Each sturdy cube can be snapped together or apart over and over again. Keep little minds engaged and stimulated with this during playtime.