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Excellent - New or Like New
11 X 7.5 X 2.5 inches
With a mix of logic, engineering and trial and error, playing this stacking game requires no instructions or rules. There's really no one way to play. But there is real science behind the design. True Balance began in Europe as a medical device to improve focus and fine motor skills! The various magnetic discs rotate independently. It looks a bit wacky but grownups and kids love the feel and the challenge while sitting or standing. Couch potatoes and athletes alike appreciate the competitive challenge against centrifugal forces.