1) Party game 
Bulleribock or bulleri bock is a Swedish children`s guessing game for two people. The game is played as follows: person A turns his back to person B, who taps both hands rhythmically on A`s back while saying a rhythmic, rhymed chant: Bulleri, bulleri bock, hur många horn står opp? (lit. bulleri, bulleri billy goat, how many horns are standing .....