Wonderology - Science Kit - Zany Ball Creation Kit Wonderology is the kid friendly science line that makes learning a blast! Explore the mysteries of science like never before! The Zany Ball Creation Kit lets you create and design up to 16 high-bouncing balls in 3 different sizes! Kids will learn all about Polymers and why these Zany Balls actually bounce! The Wonderology Zany Ball Creation Kit is made for Young Scientists ages 8+. Includes: 3 Mold Sets, 8 PVA Accessories, 6 Packets of PVA Powder, 1 Instruction Guide