M-Blocks are small robotic cubes that have no exterior moving parts. But they are able to propel themselves, climb on top of each other and form all kinds of shapes. The secret sauce: permanent magnets that allow any two cubes to attach to each other.
Never mind the fact that watches aren't as popular as they used to be: The Tikker has already blown past its Kickstarter crowdfunding goal. Writer John Kruzel thinks it might have something to do with the appeal of YOLO.