PLANT LEGO is an experiential educational toy for children. It combines the STEAM education concept so that children can create their own "limited perceptual small world". Like lego, it is free to combine different modules. Interact with scenes and images that children are interested in. With the "PLANT LEGO" toy, the app adds knowledge base, small games and wonderful videos. Through AR technology, the real world and the digital world are connected. Each time the children build "PLANT LEGO", they embark on a different journey of exploration.