A bear.
The ghost of a mole burying secrets.
beaver digs a hole to bury the box which he doesn't want anyone to open
A beaver is digging a hole with a shovel to bury a box that has "Do not open" written on it
do not open
Don't open this book.
A book with a warning saying "Do not open". The question is, what's in it?
Book of people
blue guy with a mustache reading .BOOK
Doodle or Die is the game of "telephone" with drawing!