WalkingTree is a stand-alone robotic toy which consists of natural branches and plants. As users play with this toy in nature,so user become sensitive to nature materials.Users attach the collected branches and plants into the pot to complete a walking botanical robot which they have imagened. The ways of toy’s walking change according to a length and a position of attached branches. After the robot is completed, the WalkingTree will start to move as a stand-alone robot. When it reaches a sunny place, its solar cell charges and its plants will start to photosynthesize. WalkingTree photosynthesize and generate electricity by solar energy. So to speak, it is a moving plant.