The popping never stops! Built into a strong, high-quality plastic frame are 18 dimpl bubbles in two different sizes just waiting to be pushed, poked, and popped again and again. Perfect for all ages - travel, relaxing at home, and sensory discovery. Board measures 8.75" x 6.75". High-quality ABS plastic frame with food-grade BPA-free silicone. Fully safety tested, and hand washable.