Step 17: Bend the Sticking Out Power Leads Down Into the Battery Case
Go find the bottom of the matchbox that your Ognite came in and turn it face down. This is now our battery case.
Put the matrix board on top and make right angle bends down on the power rails so that they precisely go down though the tiny holes allotted for them and into the battery case.
It is so simple a child could do it.