Don't be surprised if rainbows start shooting out of your bath water. Hold it in your hand as it dissolves because there's a surprise inside! This could be a small toy, charm, figurine, key chain or other item that coordinates with the name of the bomb itself. Perfect for adults and kids alike. (Everyone loves surprises.) Contains a rainbow sherbet bath fizzer with a fun surprise inside. Approx 2.75 inches in diameter (approx. the size of a tennis ball). Warning: Small parts. Not for children under 3.