Toy Building Blocks for kids 52 Pieces Building blocks create an educational marble race track. 70 sparkly pieces teach kids about gravity and momentum by making the marbles in the track roll along a path. This is a great toy for young children, who will learn about their bodies' properties and how to keep momentum. You can rearrange the Building Blocks for kids however you please, so your children can use their imaginations to create unique structures each time they play. This is a great game for family bonding. The Building Blocks for kids features a colorful and inviting exterior can temporarily entice a child's thoughts and the brain. Playing with these blocks together can form wonderful memories for the family. High-quality, durable and easy to assemble pieces of plastic for buildings are available. By using your imagination, you can create your own maze model. Then, watch the marbles race through the track. Minuscule parts for the Building Blocks for kids require extra care.