swoonforme:

‘Roly poly’, designed by the Design Incubation Centre at the National University of Singapore, are a pair of egg-like objects that mirror each other’s movements, even when physically separated. Two people thus can sense each other’s presence despite distances across the world: a tap of one half will create a simultaneous reaction in the other.

if you didn’t tell someone about this and just stuck one in their house, you could make them think their place is haunted