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 ...
Feeling a little stressed? Need to unwind? What better place than to go to a Zen Garden to clear your mind. Or to watch this clock create a series of rings in sand over a period of an hour and then ...
People with high intelligence and keen observation skills can spot the sand clock in this messy room. Test your visual power with this mind-boggling picture puzzle. Engage your senses to solve this ...