‎20 x 15 x 2.5 cm; 210 Grams

【Montessori Toy Set】The lock and key toy includes 6 locks numbered from 0 to 6 and 7 keys. One key for each carriage and a master key（It is not numbered and can open all locks.) With different car-shaped locks, the numbers and vehicle names, the different colors. Child learns , color, numbers, fine motor skills and helps develop logical thinking. 【High-Quality Material】 This kid learning lock with keys is made of environmentally friendly PP material, safe, healthy. Using colorful colors and patterns, and is very attractive to children to play with and addicted to for hours! 【Early Numeric Learning Toys Set】Besides learn how to unlock a lock, children can also string the lock cars together to be a funny train. This sensory toy will be helpful to develop their creativity and hand-on ability.