Size: 9cm (L) x 9cm (W) x 5.5cm (H) Made of High Quality Wood and Water Paint material, Eco-friendly, odorless, Durable, safe for children to use and play, provide protection to your children's delicate skin Smooth surface, does not have any sharp edges, without burr, gentle to children's delicate skin Premium quality with Ultralight, Portable, Easy to carry, Compact size, easy storage Round edges Design, provides Max Protection to your gentle and delicate skin, harmless and safe to play with, able to enjoy the game happily and children eyes and increase their interest in playing and learning, a great chance to learn different colour Stimulate children to explore senses of touch & sound, Encourage children to develop increased control over hand and finger movement Promote the flexible development of young children's muscles, Improve children's dexterity, able to train baby's hand-eye coordination, fingers grasping and fine motor skills