Welcome to our store! DIY Fun: This digging truck toy can be assembled by yourself, allowing you to create the toy you want and experience a sense of accomplishment. Line Following: The inductive excavator model will only run in circles until it finds the straight line you draw. Optical Sensing: The DIY building truck model toy features an optical sensor that reads black lines drawn on white paper for a fun and engaging experience. The Perfect Gift: This electric excavator model toy makes a fantastic gift for children. Surprise family and friends with it for Christmas or Halloween. Unique Design: This yellow excavator construction toy is made of durable plastic, ensuring a long lifespan and attracting attention. Item Type: Digging Truck Toy Material: Plastic Battery: 2 x AAA Batteries (Not Included) Applicable Age: 3+ Years Package Includes: 1 x Main Block 1 x Pen 107 x Plastic Building Blocks 1 x Paper 1 x Instruction Manual Customer satisfaction is our top priority. If you encounter any issues with your product upon receipt, such as damage or incorrect quantity, please contact us immediately. We are committed to providing you with the best after-sales service.