A 3-D strategic games with rhombic dodecahedrons to build a pyramid. Each piece piece has 6 white sides and six black sides. The contents are 30 plastic pieces, 2 playing grounds (triangular and square), and instructions. The main game (Cuckoo) is to place your piece at the top of the pyramid. You can prevent your opponent from reaching that goal through clever piece placement.Variants include Zebra and Ant rules. - BoardGameGeek