I assembled this puzzle only once. I believe all the pieces are there, but since it's a 1000-piece puzzle, it's difficult to count and confirm again. (I think it's okay, but please forgive me if any pieces are missing.) A 1000-piece jigsaw puzzle featuring Koala's March characters, size 735 x 510mm. - Product Name: Koala's March 1000-piece Puzzle - Size: 735 x 510mm - Number of Pieces: 1000 pieces - Design: Koala's March characters Thank you for looking.