A pack of wipe-clean cards with brain-teasing maths puzzles to solve. Puzzles include "missing angles", "honeycomb number game", "missing symbols" and "cross number", with all the answers given on separate cards. Includes a special pen to write on the wipe-clean cards, and a scribble card for workings out.
Publisher: Usborne Publishing Ltd
Number of pages: 50
Weight: 300 g
Dimensions: 157 x 114 x 27 mm
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