Bits and Pieces - 500 Piece Jigsaw Puzzle for Adults - Winter Treats - 500 pc Birds Jigsaw by Artist William Vanderdasson Winter Treats is a 500 piece jigsaw puzzle designed by William Vanderdasson. Our Jigsaw Puzzles are made with recycled cardboard. Die-cut puzzle pieces are easy to handle - and no two are alike. Our 500 Piece Puzzles are exciting and challenging to put together. Bits And Pieces exceptional jigsaw collection provides original and intriguing gifts for any interest, age or ability. Puzzle Size is 16" x 20" when completed.