They can deploy or retract with the push of a button and they are also razor sharp.
The perfect 'toy' to stab yourself...
One of the most internationally known and appreciated Japanese anime ever (many consider it to be "the greatest anime of all time") gets a stunning live action trailer 100% made by fans.
For those who don't know: 'tifo' is the name for any choreography displayed by fans in the stands of an arena or stadium in connection with a sport event [Wiki].
This guy set up a camera in his room and performed the same dance routine to Jamiroquai's 'Canned Heat' every day for about 100 days, this is the result, time-lapse style. Note that the first 30 seconds are from Napoleon Dynamite.
Rob Anderson encourages homeless people to part with some of their food on the streets and then transforms these items into packaged goods right before his eyes.
This dad’s daughter filmed him learning that he was to become a grandpa and his sweet reaction is truly remarkable.
Canadian freeride mountain biker Geoff Gulevich's impressive downhill canyon run at the 2013 Red Bull Rampage challenge in Virgin, Utah.
The world's largest game of Jenga weighs 8.1 tons (7.3 tonnes) and is composed of 27 600lb (272kg) blocks each.