This project combines a sand timer with a rotating mechanism and an optical beam through the center of the timer to observe the falling sand as they create a USB Hourglass. This project combines a ...
The traditional sand timer, known colloquially as an egg timer, served its purpose well over the centuries since its development. However, [MakerPaul] realised it had some significant flaws that were ...
Though it looks the part, this stool isn’t a training potty—but it will take the piss out of your kids. It’s actually a giant sand timer designed for time outs, sequestering rowdy ruffians for a ...
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