Get creative with the Capital & Lower Case Letter Sponges from Roylco. Designed for ages 4 years and older, this set features 52 sponge letters of the alphabet in upper and lower print. Tip the sponges in paint and print to make fantastic impressions. Each sponge is filled with paint-absorbing bubbles to add texture to paint projects. Just dip it into the paint and press it onto paper! Easy to clean.