about errorinstruments.com erorrinstruments, and shop. experimental instruments and sound art of noise boxes / euro rack moduler / hardwear hackig / circuit bending / DIY Kits / Some of these instruments are made in the studio of artist PaulTas from Amsterdam .this instruments are handmade .in a short-run from 20 to 50 pieces and that makes unique. the moduler .eurorack under the name ERROR MODULER crypton cases is also part of error group are strong & solid modular cases. that are being used by the army The cases are ultra lightweight! It weighs about 6 kilo’s when completely filled .