The Buki Science Mini Lab Bath Balls STEM science kit is sure to provide your child hours of fun while learning. This set allows your child to create their own bath balls. After the child creates the bath balls they can place them in their bath water to watch them bubble and change the water to fun colors. This kit includes: 4 powder packets 1 mold with 4 shapes 1 scoop 2 droppers and colorful instruction booklet that includes step by step instructions to ensure the child's experience is educational as well as fun. Recommended for 8 plus years.