Drapacze Chmur

Drapacze Chmur ("Skyscrapers") is a fast game suitable for children. Players, simultaneously, search through a pile of square building elements. Whoever builds higher skyscraper is the winner.
The only rule is, that each next element needs to have less windows than the previous.

There is also an game mode, where the specific color of an element gives a player 1 additional point.