SKILL DEVELOPMENT: 10 locks and 10 keys. Each lock has a matching key, and the lock and key have corresponding numbers and points. Through the combination of actual numbers and abstract numbers, the baby can better understand the relationship between numbers!
SKILL DEVELOPMENT: 10 locks and 10 keys. Each lock has a matching key, and the lock and key have corresponding numbers and points. Through the combination of actual numbers and abstract numbers, the baby can better understand the relationship between numbers!