Mathematics can be so colourful... The active player stacks 12 discs face down behind a screen. Then he names the colours from top to bottom with ascending numbers for everyone to hear. So Red - 1 , Green - 2 ... . The other players must memorise this sequence. Now it is up to the active player to set tasks. Many things are allowed, e.g: Red minus blue = ? (colour), purple + orange = ? (number) or 4 - 2 = ? (colour). Maths and memo... —description from the publisher

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