Features: The versatile Multifunctional Counting Toy is a must-have for parents who want to improve their kids' cognitive and physical development. Craft of quality plastic, this toy features lock and key matching that stimulate your child's imagination and creativity. Suitable for children aged 18 months to 3 years old, this board is perfect for parents who want to provide their kids with an interactive and educational toy. Simple but very educational, very suitable for cultivating infants' motor skills, fine motor skills, technique and dexterity, and begin to grasp the concept of size. With its sturdy constructions and multiple functions, the toy is sure to provide hours of fun and learning for your child. Specifications: Component: Plastic Size of Lock: Approx.6.4x2.5x7.5CM/2.52x0.98x2.95inch Size of Key: Approx.7.5x3CM/2.95x1.18inch Size of Flash Card: Approx.5x5CM/1.97inch Type: 5pack/10pack Package Includes: 1 Set Kids Counting Toy note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color of the item.