The POOF-Slinky 0SA214 Scientific Explorer Spa Science Kit allows you to blend natural and organic ingredients from nature to make over (10) soothing spa products. Chemistry will take on a whole new meaning when your child uses this fun and safe kit to make colorful and fragrant bath gels and aromatherapy oils, bath fizzers, spa lotion, face masks, oatmeal soap, shampoo and more. This kit also allows you to mix colors, fresh household ingredients and fragrances to create your own product line with secret and exclusive mixtures, making each foaming and frothing bath new and exciting. For thousands of years people from cultures around the world have used special oils to create fragrant baths waters and now you can too. Scientific Explorer’s Spa Science Kit includes lavender and peppermint essential oils, dried roses, glycerin soap bar, sea salt, citric acid, baking soda, oats, muslin bag, (2) pipettes, (2) plastic cups and experiment instruction booklet. This is real chemistry for boys and girls without having to worry about exposure to unknown chemicals and perfect for science fairs, birthday parties and all around family fun. Spa Science is part of the exceptional series of home science kits based on the nationally recognized Great Explorations in Math and Science (GEMS) program pioneered at UC Berkley"s Lawrence Hall of Science. Scientific Explorer is the industry leader in science kits that help develop critical thinking skills, inspire imagination and encourage exploration through interactive experiments and activities that make learning fun. The POOF-Slinky 0SA214 Scientific Explorer Spa Science Kit is recommended for children 9-years of age and older with adult supervision. POOF-Slinky is the manufacturer of the world famous Slinky and the top selling POOF foam sport balls in North America, both manufactured in Plymouth, MI and Hollidaysburg, PA. Ideal and Scientific Explorer are other well-known brands, rounding out the POOF-Slinky family.