60-Piece starter set is a great way to introduce your child to our full gears line while exploring the world of engineering games. Our gears pieces are made from sturdy plastic and snap together to bring colorful motion to any creation while challenging motor skills and creativity. Compatible with all other Gears!Gears!Gears!® sets for even more imaginative fun. Includes 28 colorful gears (blue, green, orange, red, purple), 14 square pillars, 13 six-way axles, 4 interlocking bases, 1 crank handle and an activity guide. For ages 3 and up, Grades PreK and up.