Let your children unleash their creativity as they build their own toy cars for open-ended and imaginative fun with the K'Nex Revvin' Racecar 2-in-1 Building Set. Includes: 370 K'Nex parts (primarily rods and connectors), wheels that easily attach to one another, a battery powered motor and easy to follow instructions. Requires 2 x AA batteries (not included). Part of the Imagine range. Age 7 + years. Distributed in New Zealand by Holdson.