Esington Glass 2.0
The Esington Glass 2.0 is an hourglass that uses tiny iron spheres to count down to 25 minutes. Unlike other hourglasses, it comes with a magnetic stopper that lets you pause the spheres, so you can take a break or resume work after being interrupted.
Crowdfunded projects pose a degree of risk for buyers, so be sure to do your research and fully read the seller's detailed description and production plans before plunking down your hard-earned money.
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