Thames and Kosmos Ubongo 3D Three-Dimensional Puzzle Fun GameStretch your mental muscles into the third dimension! In this version of Ubongo, the hit puzzle game, players race to place three dimensional blocks so they fit perfectly in a specific area on a puzzle card and completely fill a designated three dimensional space. Each time you win, you collect colorful plastic gems; the player with the most valuable collection of gems at the end of the game wins. The puzzle cards each have multiple puzzles on both