Smartlab toys all Natural spa lab covering science and beauty the projects/recipes in this award Winning science kit use household materials and custom Tooled components to create scrumptious spa treatments at home. the citric acid adds pizzazz to bath bombs and the cosmetic Grade glitter gives a shimmery glow to your products. components include: a book that helps you absorb the beautiful science behind a dozen spa products 4 bath bomb molds: cupcake popsicle two wrapped candies 2 large lidded pots 2 small lidded pots 2 plastic stir spoons 4 20g packets of citric acid and 1 4g packet of glitter. suitable for ages 7 years old and up. warning: choking hazard small parts. not for children under 3 years.