Tales From Grubbly Land: Grubbly Land Adventure 5

"HOLIDAYS" said Dad, "It says HOLIDAYS."   "What does that mean?" asked Garry, "How can you have 'holidays' in a box?"   "I think the box is for something humans use," said Dad, "It has sticks of dried plants, which they set fire to and breath the smoke."
"What a strange thing to do!" laughed Garry.