Tafuta
Tafuta means “search” in swahili, “tafutas” are in pair, every twins share the same fillings in their stomach. Twins have the same weight, makes the same sound. Of course there is also silent twins.
There are different layers of play involved with pedagogical perspective in child culture.
tafuta could be played as a multi-sense memory game, whereas it could be use for pillow fighting. Some of them can rotate in your hand because of off-center gravity center.