nibobo (or nibobo pyramid) is a board game for children. You may purchase it on jd.com or taobao.com. The game have a triangle board of half of size 10x10 and 12 pre-built blocks. A puzzle is given by putting some blocks on the board and the goal is to fit all other blocks on the board, leaving no space on the board. See puzzle example in GameBoardInRealWorld.jpg
