The Internet loves those fun, yet completely worthless, useless machines as they are known. At their basic level, the machines have one switch that when switched on will activate an arm that turns the switch off. Again, useless. 

But more complex useless machines have been popping up online, too. 

After building his own ultimate useless machine out of Legos, Jason Allemann made this humorous video demonstrating all of its tricks and gags.