This key box is ideal for developing your child's dexterity while playing. To open the doors and get the parts back in the box, the correct key must be chosen for the corresponding lock. The back of the box is useful as it is transparent to see the parts falling and indicates the number and type of blocks to be placed. The magnetic key ring practically hooks onto the handle to avoid losing keys. Supplied with 6 blocks (1 yellow triangle, 2 blue circles, 3 red squares) and 3 plastic keys. Pieces painted with watercolor. This product develops: hand-eye coordination, causal relationship.