Here what to put in agitation the service of geriatrics of your regional hospital! easy to assemble and functioning with batteries, the grannies competition track is quite simply laughing. Two nice small grannies racing in their armchair of competition like dragsters. Ready for sparks and no dust! these grannies there have power under their cover!A track to assemble with a nail-biting crossover. Each granny has an individual speed controller. Suitable for ages 8 years+. Requires 4 x AA Batteries (not included). Granny: 8 x 7 x 4.5cm Track: 64.5 x 48 0.5cm (when built).