STICK O Basic 30 Piece Magnetic Building Set, Rainbow Colors, Educational STEM Construction Toy Ages 18M+ Discover the joy of play time with rainbow colored magnetic shapes including, 6 Spheres, 8 Sticks, 2 Long Sticks, 4 Curve Sticks, 2 Oval Sticks, 2 Half Sphere, 2 Cone, 2 Disc and 2 Flat Oval. Stick-O is fun and safe and teach toddlers basic STEM education (Science, Technology, Engineering and Math) principles. Perfect for brain development, critical thinking and STEM education. Develop color and shape recognition, fine motor skills and problem-solving ability. Neodymium rare-earth magnets for connectivity. Compatible with all Stick-O products. Stick-O is fun and safe and teach toddlers basic STEM education (Science, Technology, Engineering and Math) principles.