In each issue of MAKE magazine (since Volume 10), columnist Tom Parker offers a new installation of Make Money, where he shows you examples of how “Sometimes it costs more to buy it than to make it from the money itself.” Tom has covered mouse traps to eye glasses to an abacus, and in the latest issue, Volume 26, he’s outdone himself with an awesomely complex combination lock made out of 5 quarters, 2 half-dollars, and a penny (plus an assortment of scrap metal, nuts, and bolts. A combination drawer lock bought online can run between $15 and $20, but Tom’s money-made version came out to about $2.26. The following images from the column show a head-on view, disassembled view, and a side view:
Check out the full details in the Tom’s column on pages 146 and 147 of MAKE Volume 26. Subscribers, read it now online in the digital edition.
From the Pages of MAKE:
MAKE Volume 26: Karts & Wheels
Garage go-kart building is a time-honored tradition for DIYers, In this issue of MAKE, we’ll show you how to build wheeled wonders that’ll have you and the kids racing around the neighborhood in epic DIY style. Build a longboard skateboard by bending plywood and build a crazy go-kart driven by a pair of battery-powered drills. Put a mini gasoline engine on a bicycle. And construct an amazing wind-powered cart that can outrun a tailwind. Plus you’ll learn how to build the winning vehicle from our online Karts and Wheels contest! In addition to karts, you’ll find plenty of other projects that only MAKE can offer!