28455 - Product Specifications Free-Rolling Wheels And Assorted Designs. Number Of Vehicles 3. Length 4.5 Inches Approx. Material Metal. Product Specifications Number of Vehicles 3 Length 4.5 Inches Approx. Warning - Choking Hazard - Children Under 3 This toy is not suitable for ages under 3 years. It contains one or more of the following items marbles; small ball; or small parts. Recommended Age: Suitable for 3 years & above