US Patent 11944914 Rotatable platform

A rotatable platform for facilitating the assembly of a jigsaw puzzle by multiple person includes (a) a base having an upper or top surface and a lower surface or bottom surface; (b) a bearing or other pivot is secured to the bottom surface of the base for facilitating rotation of the platform; and (c) retainer for removably retaining a box top cover or similar part of the jigsaw puzzle box which shows the scene to be re-created is mounted to the upper surface of the platform.