Dimensions: 6.5 x 2 x 10 cm;Batteries required: none;Product description: brain-bending puzzle game - difficulty level 4, for children aged 7 and above. Made of 4 wooden rings.;Have your own Eureka moment;Remove the 4 rings;Quality beachwood;Challenge yourself;4 Star difficulty

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Eureka C.T. Hanayama Quatro J01257 Puzzle GameEureka