Jigsaw puzzle table

A jigsaw puzzle table, comprising:

• a puzzle board;
• a board bracket, wherein the puzzle board is mounted on a mounting end of the board bracket;
• and
• a lower support, wherein the board bracket is mounted between the puzzle board and the lower support, the board bracket and the lower support are configured to support the puzzle board cooperatively, the board bracket and the lower support are movably connected to each other;
• a positioning fastener, connected to at least one of the board bracket and the lower support, wherein the positioning fastener is configured to secure the board bracket and the lower support to fix a height of the puzzle board supported by the board bracket and the lower support;
• the positioning fastener is further configured to release the security between the board bracket and the lower support to enable the board bracket and the lower support to be at least partially movable relative to each other to adjust the supported height;
• wherein the board bracket comprises support rods supporting the puzzle board, each of the support rods is sleeved in a respective support tube of the lower support;
• the jigsaw puzzle table further comprises a sleeve tube that sleeves an outside of the support rod that is exposed out of the support tube, and an outside of a portion of the support tube that sleeves the support rod;
• the positioning fastener is connected to the sleeve tube to fasten the support rod with the support tube.