Coggy Brainteaser Folding, clicking puzzle of arranging gears to match challenge cards, one side features colors Great for ages 6+, exceptionally strong, safe, high-quality materials, bpa free 2 Ways to Play (Colors on side 1, Black & White on side 2) 4 Levels of Difficulty Gears Click as they Pivot – also a Fidget Toy Sparks Sensory Stimulation Gears shift up to 255 degrees – Exceptional flexibility