5 3/4 in x 5 3/4 in x 3/4 in / 14.8 cm x 14.8 cm x 2 cm
This is number 2 in a collection of 7.
You might recognize the equations on this puzzle or you might not. In any case you will be wondering how to solve the puzzle. Don't be distracted by the equations and get off track. Your objective is to place the pieces inside the square. It's not as easy as it seems.