Tyres can be stacked and stored together. Each size tyre has a different tread design. Ideal for exploring and advancing outdoor areas.Each size tyre has a different tread design. The tyres can be combined and interchanged feely for endless play and problem-solving opportunities individually and in groups. Children will enjoy stacking jumping balancing crawling climbing and much more.Includes:3 x Small Black Tyres W600 x H150mm4 x Medium Green Tyres W640 x H200mm6 x Large Narrow Yellow Tyres W800 x H100mmMade with plastic.Ages 3+