Scientific Explorer Monster Bath Bombs lets your little mad genius create 4 gruesome bath bombs. Follow instructions to mix up chemicals and mold creatures that will fizz and dissolve in the tub. Add a mysterious center to your Monster Bombslike a glittery galaxya slimy braina glowing skull or a popping eye for extra creepy bathtub adventures. Kids can create Fizzy-Pop CyclopMelting MartianZombie Bomb and Dr. Fizz-Enstein! Make bath time extra special by adding glow powder or fizzy tints for a color changing surprise. Includes a Monster MoldMeasuring SpoonToys (EyeballBrainSkullBouncy Ball)2 Bags of Cornstarch (2.54oz/72g)2 Bags of Epsom Salt (2.54oz/72g)2 Bags of Succinic Acid (1.27oz/36g)2 Bags of Baking Soda (5.08oz/144g)Scented Lavender Glycerin (0.51oz/15ml)3 Food Coloring Bottles (0.3oz/9ml)Luminescent Zinc Sulfide (0.18oz/5g)3 Color Tints (RedYellowBlue) and Instructions. Recommended for children 6 years of age and older.