Not a lot of toys come packaged in cylindrical packages, most are in boxes. Army men and Barrel of Monkeys are a couple of toy products in cylinders. Most inspiration came from Barrel of Monkeys, as it was a favorite growing up. Inspiration also came from the Animal Crackers.
Combining Barrel of Monkeys with Animal Crackers is where the design originated.
The tough thing was creating a design that flows all the way around the shape seamlessly and reads well with the curve.