With more than 100 timed puzzles, this book is guaranteed to sharpen your number skills. There are number skills. There are number chains to calculate, Maths sequences to complete and…
With more than 100 timed puzzles, this book is guaranteed to sharpen your number skills. There are number skills. There are number chains to calculate, Maths sequences to complete and mazes to solve. It’s time to put your brainpower to the test.
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