1. Simple operation: Pull the magazine to open, insert cards one by one into the magazine, place them in the slot on the car's top side, and press the power button. 2. Automatic licensing: The head can be replaced with DIY; the car automatically casts a license after starting, automatically issues a license; the signed car follows an automatic license sequence. 3. Parent-child interactive toys: Automatic domino game plays a vital role in parent-child relationships, promoting bonding during play. 4. Skill-enhancing: Intelligent construction toy helps train imagination, improve hand-eye coordination, color and shape recognition. 5. High-quality materials and craftsmanship: Smooth and scratch-free construction, made from premium plastic, offering an excellent user experience. Product type: Domino Engineering Vehicle Set Material: Plastic Style: English packaging (black/gray pattern at random) Applicable age: 3 years + Battery: Requires 2 x AA batteries (batteries not included) 120 x Domino cards 7 x traffic signs 1 x long clip (includes two accessories) 4 x car parts (drill bit, chisel, file, excavator) 1 x engineering vehicle (includes two accessories) Your satisfaction is our top priority. We will provide you with the best service. If you discover any issues after receiving the product, such as damage or incorrect quantity, please contact us immediately for the best solution!