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From the mind of comedian David Walliams, this collection of Gangsta Granny's Mental Maths Games is the perfect problem-solving gift. Each card is delightfully illustrated with characters from the best-selling book and the aim of the game is add, subtract and multiply to get the highest score.
Features:
- Collection of mental arithmetic games
- Contains 48 cards
- Illustrated by Tony Ross
- Suitable for ages 5+





