The Gmaophy Mechanical Master 2n1 Building Set is a plastic gear building set specifically designed for remote control vehicles. Compatible with LEGO, this set features a mechanic character theme and is suitable for ages 6 and up. The set includes a battery-powered car model with a racing car design, making it perfect for young builders interested in cars and racing. With the brand's focus on education, this product offers a fun and creative way for kids to develop their problem-solving skills while constructing their own remote control vehicles. Made in China, this set comes in a box packaging, making it a great gift option for aspiring engineers and car enthusiasts.