Attica Alu Series: Sudoku - in aluminium box, travel set with magnetic game pieces, playing board 10,5cm x 10cm x 0,6cm (XY006P US) Improve your mental agility Collapsible playing board in practical travel size (closed 4.13" x 3.94" x 0.24" / 10,5cm x 10,5cm x 0,6cm) playing board made of aluminium A beautiful gift for friends and family - or even for yourself! Ages 6 and up; without instructions