The summer vacation is fast approaching and you are wondering what you could give your restless little ones to keep them occupied. Here’s bringing you the mind-boggling Crossword by Think Tank Games. Designed for boys and girls aged eight and older, this fascinating crossword contains sixteen tiles with four words on each tile and presents three mighty challenges. Watch your children soak themselves in an evening of brain-racking and deep thinking as they start arranging the sixteen tiles in a 4 x 4 manner to form concrete words. The second challenge unfolds here as they will have to form a vertical rectangular shape using the sixteen tiles. Whether its horizontal or vertical they should form english words again. Let them battle it out in the third and final challenge as they assemble the sixteen tiles in all to form a horizontal rectangular shape. The Think Tank Games Crossword (16 Pieces) is a real brain-teaser and can be made more interesting by setting a timer to see who can play this game in the shortest span of time.