This game was designed for 4-6th grade math classes to introduce them to the idea of break out games. Topics included in this breakout include a common factors, prime/composite numbers, 2x2 digit multiplication, and addition/subtraction with borrowing and regrouping.
A breakout kit will need to be purchased containing the following items:
Invisible Ink Pen
Word Lock - Specifically the 5 Letter Wordlock brand lock.
All of these items can be bought from Walmart or Amazon.