Features: 1.Safety educational toys: Our unlocking toys are made of high-quality materials, with rich colors and smooth surfaces, which are safe for children. Very suitable for children to play. 2.Skill training: Each lock has a corresponding key, and the lock and key have corresponding numbers and points. This digital unlocking game can stimulate childrens sense of challenge and hands-on ability, and enhance fine motor skills, color perception and classification ability. 3.Bright colors attract childrens attention. Keep children away from electronic products. 4.When children play alone, this is a good toy that can improve their patience and cultivate independent thinking and learning ability. When children and parents are engrossed in the game, it becomes an excellent interactive game that promotes the connection between them. 5.The perfect gift for preschool boys and girls: Wooden puzzles are a great gift choice for birthdays, Christmas and any other holidays. Notice: Actual color may be slightly different from the image due to different monitor and light effect Please allow 1-3cm deviation due to manual measurement Description: Material:Plastic Size:7*4*9.5cm includes: 1*Learning Locks Toys