Abstract: A puzzle has different groups of playing pieces which form a full rectangle only when they are properly fitted with one another. All of the playing pieces from all of the groups have a rectangular configuration and each playing piece of a particular group has the same shape and size and is interchangeable in position in the puzzle with all other pieces from that particular group. The puzzle also includes a number of individual rectangular playing pieces which must be fitted with the groups of playing pieces to complete the puzzle.

Abstract: The present invention provides a seat bearing insert for fitting in the bed of a pick-up truck. The insert is of a size to substantially fill and essentially eliminate horizontal movement in the truck bed and includes securing members for attaching to the truck to secure against vertical movement. The insert further includes forward and rearward sitting regions each having a seat for readily converting the truck bed to a sitting area and each seat comprises a seat portion and a backrest portion at generally right angles to one another, extending widthwise across the insert in a forwardly facing direction when fitted in the truck bed.