NAME String puzzle MATERIAL Beechwood PRODUCT SIZE 7.6X6X2.2cm PACKAGING Colour box MATERIAL BeechwoodPRODUCT SIZE 7.6X6X2.2cmPACKAGING Colour boxThis product is made of beechwood. Its demension is 7.6X6X2.2cm and each product is packaged in colour box. The object of this puzzle is to remove the metal ring and it is really very difficult! string puzzle