Jar Melo progressive joigsaw puzzle series is divided into 7 stages according to the age of children. Through targeted and systematic education of progressive jigsaw puzzle, children are guided to enhance many abilities in the interesting and relaxing jigsaw puzzle games at each stage.
This stage of the jigsaw puzzle focuses on the characteristic of a 4-year old children and offers them more smaller jigsaw puzzle pieces which can help them develop their brain and improve their jigsaw puzzle skills.
