Extreme Bouncy Balls (Zap! Extra)

This kit includes a 48-page book with easy-to-follow, step-by-step instructions that will teach you how to create 11 different bouncy balls. It also contains everything that you need to make a mesmerizing stripy, glowing bouncy ball, and a high-tech disco-flash ball that lights up when it bounces.
• 1 motion-activated LED-light ball
• 6 packets of colored bouncy-ball crystals (10g each)
• 1 bouncy-ball mold
• 48-page book