- New parts compatible with Mould King 12025 kit - Suitable for moc sports car/steam train model modification - Please note that it don't need remote control, plug and play - Please add water to watering hole first - Suitable for ages 14+ FAQ about the fogger Q: How to use the fogger? A: 1,Add water from the water injection port 2,Just connect to the battery case then it will glow blue light and start smoke Q: What should I do if it is no smoke A: Please add water Kindly remider: Don't need control It will smoke for about a minute, then stop for about 10 seconds, then continue to smoke, and so on in a cycle.