Made By Me Glow The Dark Powerballs by Horizon Group USA, DIY STEM Kit. Make 18 Bouncy Crystal Power Balls, Molds and Instructions Included,Multicolored /

Design one-of-a-kind power balls that sparkle and illuminate with the Glow-in-the-Dark Power Balls kit. Create cool chemistry experiments that bring your creations to life as you mixing simple ingredients, including glow in the dark crystals and vibrant powders into a cool mold. Layer your powders for a cool color blocking effect or add shine to your bold color power ball. Makes 18 Super bouncy balls. Recommended for ages 6 and up.