OGOPOGO 20 Colors Creative DIY Craft Rainbow Finger Stamps Ink Pad & Child Finger Paint Toy game accessories.(Set of 20) ink pad Size:1.57 inches x1.57 inches,If you think it will be relatively dry, I suggest dropping a small amount of water into it, and it can be about 3 drops. Ideal for wall painting,finger print trees and any kinds of art projects etc,Great DIY artcrafts and gifts for children! Include 20 colors: Various colors can let children use their imagination, creating a great finger painting,can cultivate children's hand-eye coordination, imagination,let your children better. The ink pads is Water-Soluble that you can clean up easily by use a little soap and water, super use friendly, no need to worry that the kids will draw to their clothes. Each pad has its own little storage case made out of sturdy plastic, the cases stack very neatly to keep you play or art work area neat and tidy.