martin.rollat7 years ago • purchased this product000purchased this productGood alternative to traditional puzzlesGood pastime, it's great fun to build the Ugears series.ProStep by step explanation with picturesIt is quickly assembledContraGear wheels did not grip straight away, as in the explanation. A little help was neededShow in original language (German)Comment
Locron7 years ago • purchased this product000purchased this productInteresting concept and a nice passtime.Not sure why they call it dynamo-meter. It doesn't measure torque.ProGood qualityInteresting concept, no glue requiredThe model actually works!ContraIt's easy to get the gears wrongly positioned. But you can figure it out.Comment