Build your own SLR and learn all about camera mechanics in just a few steps with the Konstruktor DIY Kit. It’s the world’s first 35mm plastic SLR, and you can assemble it yourself. This camera is packed with features such as a top-down viewfinder, multiple exposure function, bulb setting for long exposures, and a detachable lens. The best part is that it only costs $35 USD, head on over to for more information.

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