A set of wooden members assembly comprises a plurality of elongated pillar members having a number of grooves provided on the peripheral surface thereof for receiving the tongues of spar members, each of the grooves being provided with a through hole therein for receiving a screw bolt; a plurality of first elongated spar members having a bushing provided therein separately; and a plurality of second elongated spar members each having a radial through hole provided at an end thereof. One may easily assemble these members to form a certain object by inserting a screw bolt from outside of the through hole of the pillar member through the radial through hole of the second spar member to engage with the bushing provided within the first spar member.