Invicta-MASTERMIND-Colour-Code-Game-Invicta-300259-This-world-renowned-classic-game-of-logic-from-Invicta-will-exercise-children-s-nbsp-minds-They-nbsp-use-their-powers-of-cunning-&-logic-to-set-codes-of-varying-degrees-of-difficulty-&-their-opponents-then-have-to-use-their-powers-of-deduction-to-break-the-codes-in-as-few-moves-as-possible-Adults-too-can-test-their-skills-against-each-other-or-against-the-children-MASTERMIND-reg-knows-no-cultural-or-linguistic-bounda