Magic cube good for bodybuilding and intelligence development

The utility model provides a magic cube good for bodybuilding and intelligence development. A fixing shaft is arranged in the center of a magic cube body. The lower end of the fixing shaft is inserted into a hole in the upper portion of a supporting column fixed on a ground base seat, and is tightly locked by a set screw. A thrust bearing, a lower center block, a lower support sleeve, a universal joint pin, an upper support sleeve and an upper center block are arranged on the fixing shaft from bottom to top in a penetrating mode, and the uppermost end of the fixing shaft is tightly locked by a round nut and is covered by a square cover plate. The universal joint pin, the lower center block and the upper center block can respectively rotate around the fixing shaft. Shaft end portions of the universal joint pin are respectively arranged in center blocks on four lateral faces in a sleeved mode, and the outer ends of the universal joint pin are respectively tightly locked by the round nut and then are covered by