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Through trial and error, we made electric gadgets with blinking lights, switches, and running motors, and even crude pinball machines. - Laying The Groundwork for Flak Cannon. - Laying the Groundwork for No Tanks!
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.