UGears Tractor Wooden KitnnPersonal Creations are Always More SpecialnThe beauty of 3D puzzles from UGEARS is they operate using sophisticated mechanisms, but donu2019t use any electronic items. This model of a Tractor is a nod to its predecessors belonging to a bygone era.n--The model is operated using a rubber band motor u2013 no need for an electric power source. Hand tools or glue isnu2019t required eithern--Engine works rhythmically and you can see the pistons moving.n--Transmission switch in the form a small gear lever offers triple control modes u2013 Park, Drive, and Sport. The Drive mode has a speed of 5cm per second, while the Sport feature makes the Tractor run quite fast. Spin the big wheel during Park mode to get started.n--Maximum speed that it can cover is around 80cm at a leisurely pace.n--Observe the exceptional detailing u2013 one glance at the all wheel drive and you can get a fair idea about the workmanship.n--Step-by-step instruction manual is.