Feature 1DIFFERENT SHAPES: Lock key car toys are printed with alphanumeric and countable dots and six matching numbered keys. Each lock has a different shape. 2NUMBER RECOGNITION: Lock car toys develop early math sequencing skills and number recognition by depicting numbers 16 as words, numbers and countable shapes. 3DEVELOP FINE MOTOR SKILLS: Sensory key car toys allow children to develop fine motor skills through hands on matching and unlocking games. 4PERFECT FOR BABY: Babies can start playing a simple cart game and then try playing harder matching and unlocking games. 5SAFE MATERIALS: Children lock key cars are made of premium plastic with a slippy surface and are safe to use. Perfect size for little hands.Item Type: Lock Key Car ToysMaterial: PlasticSuitable For: Children .wang-edit-text{ font-family:Arial important; } .wang-edit-text table { border-top: 1px solid 000; border-left: 1px solid 000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid 000; border-right: 1px solid 000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List6 x Lock6 x Key