Watch the Quidget Family and the Subtractobats perform high-flying feats of mathematics! In this astounding story, Leap, Lily, Tad and wacky Professor Quigley train numbers to count, add, and subtract in a series of amazing circus acts. Numbers and Quidgets fly from trampolines, trapezes and cannons as they teach early mathematical concepts.

• LeapFrog Enterprises
• Lori Alan
• Jack Angel
• Erica Beck
• Sheryl Bernstein
• Joey Camen
• Debi Derryberry
• Sandy Fox
• Kathleen Herles