We have all seen those gadgets that display the time or a message using a rapidly oscillating wand fixed with tiny LEDs. However, only designer Jacky Wu was clever enough to apply this technology to a jump rope. After all, it makes perfect sense—as you jump, the device records each revolution then displays that figure (along with time and calories burned) using LEDs embedded on the rope.
Kinja is in read-only mode. We are working to restore service.