Age: 7+. Number of players: 1-4. Game duration: 20 minutes. Turn over a challenge card. Place the marbles in the chute and 3 magnetic walls on the platform. Raise the chute and roll the marbles onto the game platform. Tilt the game platform to move the marbles and complete the challenge. Contains: 1 storage container, 1 rule book, 1 platform with 1 chute, 42 challenge cards, 24 marbles (6 green, 6 blue, 6 magenta and 6 yellow), 3 magnetic walls (1 straight, 1 semi-circular and 1 wavy), 1 storage container, 1 rule book. 1 platform with 1 chute, 42 challenge cards, 24 marbles (6 green, 6 blue, 6 magenta and 6 yellow), 3 magnetic walls (1 straight, 1 semi-circular and 1 wavy).