Quercetti Tubation Wheels tubular construction set will bring no end of wonder - and it’s so easy to put everything together, then set in motion with the wheels provided. There are just 4 types of tubes, but with the wheels and a bit of imagination and creativity a child can build a world of structures, vehicles, robots and space stations. It’s easy and intuitive to try out new and unlimited combinations and modifications. The high-quality materials used and the careful design of the shapes and sizes of the parts are a guarantee of long hours of safe and fun playtime. The Set Contains:18 straight tubes20 L shapes8 T shapes14 Cross-shape tubes4 wheels4 pivots1 Poster with examplesRecommended for Ages 3 - 8 years