Use your imagination as you explore the world of real engineering with the John Deere 8rt-serie tractor model set from Meccano. The Meccano John Deere model set is accurately recreated and the tractor model is a detailed replica of the original. The vehicle contains real metal parts and a real working tread. Building the Meccano tractor set takes about one to three hours and it challenges young builders to look for the limits. additionally, this Meccano construction set includes 240 parts, tools and easy-to-follow instructions.