Simply drop 1 or 2 bath bomb fizzers into bath with warm water.

Strawberry Ingredients: Sodium Bicarbonate, Citric Acid, Sodium Sulfate, Glycerin, Parfum (Fragrance), D&C Red No.33 (Cl 17200), FD&C Yellow No.5 (Cl 19140), Linalool. Rainbow Ingredients: Sodium Bicarbonate, Citric Acid, Sodium Sulfate, Glycerin, Parfum (Fragrance), Cl 42090 (FD&C Blue No.1), Cl17200 (D&C Red No.33), Benzyl Alcohol, Limonene. Watermelon Ingredients: Sodium Bicarbonate, Citric Acid, Sodium Sulfate, Glycerin, Parfum (Fragrance), FD&C Red No.4 (Cl 14700), D&C Red No. 33 (Cl 17200), Pigment Red 5 (Cl 12490).