Maths puzzles

*** Poničený obal (krabička)***

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.