It's love at first fizz when you drop this fragrant fizzer into your tub. 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.) 2.75 inches in diameter (approx. the size of a tennis ball). A gardenia bath bomb with a surprise inside. Warning: Small parts. Not for children under 3.