They'll make bubbling, color-changing solutions, glowing test tubes, a colorful bouncy ball, glowing worms, and more! OVER 100 EXCITING EXPERIMENTS - The science experiments in this kit let kids explore the wonders of hands-on science experiments. EVERYTHING KIDS NEED - This kit includes all materials needed to conduct 15 stunning chemistry experiments, including growing a crystal tree, changing the color of liquid with their breath, and more.