Instructions
Purchase a model ATV kit. Find the kit of your liking, based upon your preferences of which ATV you wish to create. The kit will also contain a suggested time frame, which will let you pick a kit based upon the time you wish to devote to this project.
Open the model ATV kit. Take out the instructions. Flip to the "Required Tools" section. Most kits include the tools that are needed. If your kit requires extraneous tools, acquire them. Place all tools on your workspace in order to make your construction as efficient as possible. Double check all components in the bag to make sure you aren't missing any parts.
Start construction. Go to step one of your instructions. Follow the instructions carefully. Follow this same process for all steps in the instructions. After you complete all of the steps, you will have successfully built a model ATV.