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 timerthe timer of ugears is a splendid mechanical timepiece! Put the mechanism in operation by turning the gear wheel on the left side of the timer. then you can set the clock to the desired time between 1 and 20 minutes. once the time is up you’ll hear a clicking sound indicating it’s time! This model of ugears uses the well-known elastic bands, which triggers the mechanism, so the pendulum roller on top of the clock will move. furthermore, the model has an amplitude adjustment system so the time will reflect the correct time.the timer is a wonderful item for any living room or office!the Ugears timer guarantees hours of fun: truly great to assemble, fascinating to run repeatedly and endlessly to look at!features- no glue required- scale: 1:1- 4 plates with 107 parts- recommended age: 14+ years- more models available- including: detailed multi language instructionsproduct information- product: ugears wooden model kit - timer- material: birch plywood- dimensions timer: h 25.6 x l 17.3 x w 8 cm- packaging dimensions: l 37.5 x w 17 x d 3 cm- packaging weight: 660 gram- packaging: luxury gift box- brand: ugears