By assembling the robot model, your children can develop their hands-on and problem-solving abilities. The process of building the robot also stimulates children's curiosity about electric toys. The material enjoys the high durability, not easy to deform or break. Features -Color:Multi -Material:Birch, paper, ABS -Size:9.00X9.00X6.00cm/3.54X3.54X2.36in -Note: This set of robot building kit is just a toy, not the real robot cleaner. -inclusive material kit for easy experimentation and hands-on assembly. -DIY technology project that allows students to build a simulated robot cleaner and learn about its principles. -Enhances problem-solving and critical thinking skills while providing an engaging experience. -Provides a fun and engaging way to learn about mechanics and engineering. -Promotes critical thinking and problem-solving abilities in a creative and interactive manner. Package list: 4 x set of 3D puzzle toy