My kids have had a blast doing this already. We have yet to paint any ourselves, but we have hunt and re hid lots :)
Now rules..... Not to many and most are obvious. Do not place them anywhere that a lawn mower may hit them 😆 That could be very bad as some of the rocks are a good size. Hide them in any public location. Here are hot spots for Hillsboro where rocks have been hidden at already:
HAPPY ROCK HUNTING!!!!!!!