Hammers with different radius iron heads. The heads are made with threads and removable, the shapes of the head helps you to achive fast the best form on the metal plate. Price: 38 €
Final shape under construction...,but when the time comes it will work and decorate the place even if it isn't as precise as a swiss made Doxa.
Planishing hammer for little metal sheet parts. You can use it for shaping bike parts like gastanks etc. You can choose your own color. Price: 850 €
So this puzzle it's a really big challange. The autor of the puzzle is Livio Zucca italian matematician. He said: if you do'nt have a hell of luck, you need 3 lifetime to solve it. Theoreticly there is just one solution.
Recumbent on 3 wheels.