1. Installation instructions: Assemble each component, use a small screwdriver to screw on the screws, easy installation, you will learn as soon as you learn 2. Specification: 100PCS/set 3. Applicable age: children (4-6 years old) 4. Shape recognition: let children learn to recognize various shapes and patterns during play 5. Ability training: intellectual development, hands-on brain, hand-eye coordination, color cognition, spatial cognition, creativity
