Let your imaginative preschooler build fun wheeled buddies with the Tinkertoy on the go building set! Featuring the classic Tinkertoy shapes that you remember – rods, spools, and flags and more - that snap together and stay together! Tinkertoy spools, rods, flags, washers, and end caps are responsibly made in America at a landfill-free, zero-waste green manufacturing facility in Hatfield, Pennsylvania. We test to the strictest quality and safety standards, ensuring that your child has a successful, trouble-free building experience. The 65 colorful pieces in this set also include new fun eye pieces, So your little Builder isn't just building a car, they're building a buddy! Use the including idea sheet for inspiration or let your preschooler design and create on their own – you'll be amazed at what their little minds can come up with. Building with Tinkertoy supports key areas of a child's developmental growth. As they snap the different parts together and discover how the system works, they're strengthening their hand-eye coordination, problem-solving skills, and spatial awareness as well as exercising their imaginations. This set is recommended for children ages 3 and up.