How to use: These Hot Wheels cars are great for play and display. You can let your kids have fun racing them around or put them on a shelf to show off your collection. Just roll them on a flat surface and watch them zoom! Attention: Each car is sold separately, so availability might vary. Also, these cars aren't compatible with some Hot Wheels sets, so make sure to check before using them together. Maintenance: To keep these cars looking great, use a soft cloth to gently wipe off any dust. Avoid using harsh chemicals as they might damage the paint or decals. Keep them away from sharp objects to prevent scratches.