Description: Material: Made of iron and PVC material, wear resistance, durable. Application: Busy board DIY material, is perfect early learning toys, develop interest, hand ability, fine motor development, and sensory training. Design: Wheel features fine workmanship, smooth edge, exquisite, not hurt hands. Application: Sensory board toy, suitable for kindergarten, nursery, preschool, and any other occasion. Excellent Gift: Excellent gifts and for girls, boys, and people who enjoying DIY...