There are many fun and educational vehicle-themed games suitable for 3-year-olds, both as apps and simple hands-on activities:

Top App-Based Games:

• Car games for kids & toddlers: This app features a wide variety of vehicles—from police cars and fire engines to monster trucks and retro cars. Kids can paint, decorate, and upgrade vehicles with accessories like balloons, sirens, and turbo boosters. The gameplay is simple, designed specifically for young children, and also helps them develop creativity and fine motor skills1.
• Car Game for 3 Year Old Kids: Children can choose from over 250 vehicles (including racecars, pirate ships, helicopters, rockets, and more), explore fun locations, and interact with playful environments. The game involves driving, sailing, or flying vehicles freely, with bright graphics and cheerful sounds24.
• Toddler Games for 3+ years old: Similar to the above, this app lets kids become racecar drivers, airplane pilots, or ship captains as they embark on imaginative adventures with many kinds of vehicles. The easy interface and lack of strict rules make it accessible and fun for toddlers4.

Hands-On Activities:

• DIY Egg Carton Cars: Craft cars using egg cartons, paint, buttons, and other decorative items. Attach strings so kids can pull their creations around. This boosts both creativity and fine motor skills3.
• Rolling Cars Down a Slide: Use a toy slide, a ramp, or even a piece of cardboard on stairs. Kids roll toy vehicles down and watch them zoom or jump—an exciting way to keep them active and entertained3.
• Build a Road Track: Use Hot Wheels tracks or any long, connectable tracks to create winding roads and ramps. Set challenges, like launching cars from a high point and aiming for a target at the end3.

All these games and activities are designed to be engaging, safe, and educational, supporting both imaginative play and basic learning skills for 3-year-olds.