Get your brain cranking Crankity is a curious mixture of building and brainteasing. Build the challenge on the card, then fill in the gaps to engineer the solution. Each of the 40 mind-bending puzzles requires a specific combination of gears. If you can get them all to spin smoothly together - Hooray You've solved it If they jam up and won't move - you'd better try again. Only the cleverest gear-head will have what it takes to solve them all It's a gear-connecting, brainteasing contraptionEncourages problem-solving, critical thinking, concentrationGet your brain cranking Perfect for travelMultiple solutions to each puzzle are possiblePlayer must use all gears printed on the puzzle cardYou can move any of the gears around the grid except the red and yellowGears must fit into a peg holeGears may extend over the edge of the playing surfacePlayer may or may not have to use all gears to complete a puzzle (see puzzle for pieces you MUST use)Four levels of problem-solving (Easy, Medium, Hard, Extra-Hard)Includes: 15 gears, gear tray, storage bag, 40 puzzles