Jigsaw Puzzle for Those with Early Alzheimers or Dementia. Malt Shop 36 Piece Puzzle. If you know a special senior that has the early stages of Alzheimers or advanced dementia, but who still remembers good memories from the 1950's, they will enjoy this malt shop puzzle. This special puzzle for adults is helpful, because it has 30 larger than average size pieces, but with a nostalgic image of a 1950's malt shop on it. The giant puzzle pieces give the loved one something to do that they can still handle. Each piece is 4 1/2 inches wide by 3 inches tall The finished puzzle size is 18 inches by 23.5 inches. Show them your care and love by giving this gift to keep them entertained.