Bladder-free spherical jigsaw puzzle

A puzzle puzzle in three dimensions tubeless comprising: multiple pieces (10) each with sides, wherein each piece is formed by a plurality of projections (11, 12) and multiple notches (13, 14) respectively formed in the side, each piece (10) has a shape equal to that of the other pieces, a quantity of the protrusions of each piece is the same as the number of the notches of the piece, each piece has a plane defined by an upper contour thickness and a lower contour, a radius of the sphere passes through the lower contour and the upper contour so that the multiple pieces may form a puzzle spherical puzzle in three dimensions, wherein the amount of the sides is odd and each side has a so that equals the shape of the other sides.