Cube Duel by Smart Games Red vs yellow! Get on top! Balance pieces, while strategically choosing between offence with defense. But most important, get your colour on top! When not challenging other players, train your 3D building skills with the 80 challenges included. Contents: case that expands to create the game board 8 red and 8 yellow 3D playing pieces game rules booklet with 80 challenges and solutions Age: 10 to adult. Players: 2 player game. Playing Time: 10 min approx.