Make a list of items your children need to find inside or outside your home. Provide written clues that lead to the objects or treasures. You could have a special prize at the end when they follow all of the clues. You can find a free copy of a camping scavenger hunt online at:
Scavenger Hunts (link)
Make your own "I Spy" game! Clean an empty plastic bottle. Fill it no more than 2/3 full with uncooked rice or birdseed. Then put in about 20-25 small objects (such as plastic bugs, buttons, paper clips, pennies, etc.). Make a checklist of each item you put in the bottle. Put the lid on tight and let your child begin to check off the items they can find on their list. Fun game for all ages!
Create bingo cards by using words from items outside or inside the car, along with words from signs along the drive. Cards can be put inside clear plastic page protectors and used with Expo markers so that they can be wiped off after the trip and used again. Be sure to have small treats or prizes for children when they are able to complete a row for BINGO!