Toys of Wood Oxford Wooden Brain Teasers 3D Puzzle Game Set of 4 &ndash; Star, Galileo's Globe, Cross and Sticks Puzzle Lock Mind Game A fine wooden set of 4 popular brain-teasers and intellectual puzzles, which can be dismantled and, reassembled with a little challenge! Each puzzle has dimensions of 7.5x7.5X7.5cm Perfect as a gift for a family, son, brother or father. Helps to improve lateral thinking and challenges ones mind. Mind-games for children aged six years to adult.