dimpl pops. The popping never stops! Built into the strong, high-quality plastic frame are 18 dimpl bubbles in two different sizes just waiting to be pushed, poked, and popped again and again. The squishy silicone is fascinating for the fingers. Watching the board go from un-popped to popped is curiously satisfying. Young, old - no matter who you are - your fingers just can't stop! Experience ...