Price # Sum Energy source Fill in the number of components you plan to use in your device hand dynamo 1 0 and the total cost will be automatically calculated. battery 2 0 kinetic 3 1 3 solar cells 4 0 Electronics 0 simple chip on print 1 1 1 regular chip on print 2 0 advanced chip on print 3 0 sample sensor / sample speaker 4 0 Case 0 uncurved/flat 1 0 single curved 2 1 2 double curved 3 0 0 case material supplements plastic 0 0 wood 1 0 rubber 2 1 2 titanium 3 0 special colour 0.5 1 0.5 Interface 0 push button 0.5 6 3 scroll wheel 1.3 0 integrated scroll wheel/ pushbutton 2.5 0 LC display 3 0 0 button supplements special colour 0.2 1 0.2 special form 0.4 0 special material (rubber, wood, titanium) 0.6 1 0.6 Total 12.3