Sensory pen toy, suitable for cars and trucks, mini engineering vehicles that can drive along any drawn black line.

This innovative sensor-activated line-following car toy uses advanced optical sensors to move along black lines on a white surface, providing interactive fun and a learning experience. Made of environmentally friendly ABS material, the car is approximately 7 cm long and powered by four button batteries (included), providing several hours of fun. Key features: • **Intelligent Optical Sensor Technology:** The car automatically detects and moves along black lines on white paper or a whiteboard, providing an engaging line-following experience that stimulates children's creativity and experimental spirit. • **Automatic Movement:** Simply turn on the power switch located at the bottom of the car, and it will automatically move along the drawn lines without any manual control. • **Compact and Durable:** Made of high-quality environmentally friendly ABS material, the toy is sturdy, durable, lightweight, and portable, able to withstand children's playtime. • **Battery Powered:** Uses four button batteries (included), ensuring a convenient and long-lasting power supply for uninterrupted play. • **Educational Development:** Enhances logical thinking, imagination, organizational skills, hand-eye coordination, and fine motor skills, making it an excellent educational toy for children. • **Random Color Shipping:** Each toy will be shipped in a random color, adding surprise and variety. Instructions for Use: 1. Draw a thick black line on white paper or a whiteboard for the toy car to follow. 2. Turn on the power switch located at the bottom of the toy car to activate the sensor and start the car. 3. Ensure the black line is thick enough to guarantee the car's tracking accuracy; if the car deviates from the path, check the battery installation or the line thickness. 4. Avoid placing the toy car in direct sunlight, under fluorescent lights, or on reflective surfaces to prevent interference with the sensor. Battery Installation: Use a screwdriver to unscrew the battery compartment and insert four button batteries according to the "+" and "-" markings. Ensure good contact between the batteries and the spring terminals to ensure the car functions properly. Specifications: · Material: Eco-friendly ABS plastic · Size: Approximately 7 cm in length · Power supply: 4 button batteries (included) · Color: Random color Package includes: · 1 x Sensor-guided line-following car toy This sensor-guided car toy is both educational and fun, making it the perfect gift to stimulate children's curiosity and develop basic skills through interactive games.