The wooden 3d models of ugears are unique in model building. once you open the package, the challenge of assembling and fun starts with a scent of birch wood. but the real amazing part is to see the model in action.each model is a piece of art itself, with a special function based on principles of mechanics. the models are made of birch wood and technically amazing thought through so no glue is needed! In addition, the manual for each model is so comprehensive that even an inexperienced hobbyist can assemble the model: the different parts are numbered; images refer to each element; the steps are clear and by crucial steps it shows where to pay extra attention. each model uses toothpicks serving as axles for the wheels and each model has its own unique piece of accessory for measurements. and to smoothen the various gears, it is recommended to use wax.the products of ugears are a true gift to receive or to give, moreover, beautifully packed in a luxury gift box with window and each product turns into a dazzling masterpiece as home decoration.the monowheelbuild your own wooden monowheel with this set of ugears. a monowheel is a single-wheeled vehicle, and in a monowheel the driver is inside the wheel. a cool transport device invented in the twentieth century. when you're done building, have the monowheel roll on the sidewalk.you can drive the monowheel in two ways;in the first way you let the monowheel roll with the locked legs. this ensures that, until the tension of the rubber tire motor has decreased, you can continue rolling continuously to about one and a half to two meters. afterwards the model turns gracefully and stops.in the second way you can let the monowheel roll when the legs are unlocked while the rubber tire motor is working, then it turns around, the feet slide in and the model starts rolling until it encounters an obstacle. in this mode, the model will cover a maximum of five meters.features- no glue required- scale: 1:24- with 300 parts- estimated time of assembly: 3 hours- more models available- including: detailed manual in different languagesproduct information- product: ugears wooden model kit - monowheel- material: birch plywood- dimensions: l 18.5 x w 16 x h 9.5 cm- colour: naturel wood- packaging: luxury gift packaging- packaging dimensions: l 38 x w 17 x h 3.2 cm- packaging weight: 740 grams- brand: ugears