Merge a pen with a calculator and you get the CalcuPen, a barely useable yet highly collectable piece of 1970s tech.

NOS LCD Pen Watches on eBay https://ebay.to/2zxVXDO
CalcuPens occasionally appear on eBay too: https://ebay.to/2rgArii
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My previous video about the rise and fall of the LED watch    • Pulsar P3  When a Digital Watch cost...  

The outro can be seen on it's own here:    • Ten  
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When you click on links to various merchants posted here and make a purchase, this can result in me earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network & Amazon.