Marcel Franzen
WonderHowTo
Gadget Hacks
Next Reality
Null Byte
Gadget Hacks
Next Reality
Food Hacks
Null Byte
The Secret Yumiverse
MacGyverisms
Invisiverse
Lock Picking
Mind Hacks
Mad Science
Driverless
About Marcel Franzen
Location: Bremen, Germany
Sites
Null Byte
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