How many snow globe kits come in each box

Oakwood Academy’s winter carnival is coming up, and Mr. Boyd is in charge of ordering the craft kits again. He knows he ordered 11 boxes of snow globe kits last year but can’t remember how many kits come in a box. He checks the records and finds that the school used 122 of the snow globe kits last year and had 10 left over after the event. How many snow globe kits come in each box?
snow globe kits