It has removable, reconfigurable, replaceable tires. You can play with it with your fingers enjoyable. Can be disassembled into parts, can be reassembled, it is also a very good educational toy. Awesome for kids to play, in the meantime, also good ornament for bedroom, living room, office, study. Finger bikes toy can increase attention and reduce work pressure. Type: Finger Bike Toy Material: Plastic, Alloy Scale: 1:18 Features: Bike Model, Easy to Disassemble, Educational Toy, Party Supplies Length: 11cm/4.33" (Approx.) Height: 8cm/3.15" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Finger Bike Toy