DescriptionThis set of stacking stone toy can expand your child's cognitive ability and creativity. It stimulates children's brain development and promote parent-child relationship. Also it can help kid to recognize different colors. It is an excellent gift for kids.Features-Color: wood color -Material: wood-Size: 5.00X4.00X4.00cm1.97X1.57X1.57inch -Fine polished r ounded corners, no burr and will not hurt kids hands. -Smooth surface, comfortable hand feeling, very safe to use. -High-quality and natural material without peculiar smell, health and safety. -It can parent-child interaction, feelings between you and your kids. -Originalcolor, you can make your own DIY color, add more fun.