Looking for a fun and educational toy for your child? Look no further than Geomag Mechanics Challenge GOAL! With 96 pieces, this magnetic construction set is perfect for kids who love to build and play with friends. The Geomag Challenge Line adds mechanical elements to the classic magnetic rods and steel spheres, expanding the play possibilities. With parts that rotate and trigger chain reactions from magnetic attraction and repulsion, your child will love experimenting with magnetism and gravity. The GOAL! set includes a magnetic cannon that lets your child score a goal and learn about magnetism at the same time. With precision, timing, and dexterity being the keys to winning these exciting games, your child will develop important skills and concepts while having fun with friends and family.