THINKFUN HYPNOGRAPH DETAILS The hypnograph drawing machine and STEM toy is one of thinking most innovative games for kids and families. It’s a drawing machine that creates mechanical art, and is a great gift for creative kids and adults who want a unique experience.Create complex epicycloid drawings with ThinkFuns HypnoGraph, a marvelous drawing machine! Easy to use and fascinating to watch, the machine creates an infinite variety of drawings consisting of beautiful repeating curves. Fully adjustable parts can be configured differently to create drawings using the 13 interchangeable gears of varying sizes. Create drawings using our guided setups, or rearrange the gears to design something completely unique!Features:1 HypnoGraph Base1 Geared Turntable13 Repositionable Gears1 T-ArmGear Crank Handle & Connector PartsInstruction Manual with Drawing SetupsPen Holder & 1 Fine-tip Drawing Pen20 Paper Discs Learning Outcomes Communications Imagination