The Hurva Synagogue - A puzzle The Hurva synagogue consists of 1000 pieces, the size of the puzzle is 50 * 75 cm. A puzzle is a two-dimensional or three-dimensional puzzle board game consisting of parts that connect to each other. In assembling a jigsaw puzzle, the child practices fine motor skills, encourages problem solving and especially develops spatial thinking, a dominant component in the human brain. It is recommended to start assembling jigsaw puzzles at the age of nine months!