Count the mini marshmallows in the giant baby bottle- looks like a fun game. another idea, fill it with mints or gum or something like that. closest person to the correct answer wins the bottle and its contents!
Reuse an old tree to make a log pathway in your garden. Good use of "yard" trees and other wood that can't be milled; works much better in climates without termites. Good drainage under the log rounds will make the path last longer.