This dc motor kit can match all kinds of children's small car toys, and very practical with excellent workmanship, lightweight and , perfect to make up new car toys or fix the broken parts of the car toys. Nice boys to play. Features -Color: Assorted color -Material: Plastic -Size: 5.60X3.00X1.20cm/2.20X1.18X0.47 in. -Note: Please read the instructions or pictures carefully, use the correct circuit diagram to avoid short circuit, short circuit will generate high temperature and cause damage to the accessories! - The size of the plastic gears or wheels are proper and easy for kids to hold and fix. - Improve children’s creativity and practical skills, cultivate their hobbies, and use their imagination and creativity. - They are great toy accessories for car toys or other crafts models making. - Premium plastic material makes it and not deformation for long time use. - You can send it to your kids and friends who like DIY as a gift, they will be happy. Package list: 112 x motor toy accessories