NOT HURT HANDS: The toys are carefully polished and free of burrs which will not hurt the children's hands. FUNCTIOOOON: Develop baby's hands-on ability and increase parent-child interaction. Manufacturered by Pongnas. COLORFUL: Color and shape perception a variety of pattern with vivid and colorful image. DEVELOP ABILITIES: Contribute to intellectual development sensory emotional and other abilities. SAFE TO PLAY: Environmental friendly water based paint no color fading non-toxic odorless and safe to play.