I found my answer:
Option 1:
1. Open SQL Server Management Studio 2012
2. Connect to "(localdb)\maptoolkit" (without the quotes)
2.a: NOTE: You cannot use your computer's host name. Use (localdb).
Option 2:
1. Go to the following: C:\Users\<your user ID>\AppData\Local\Microsoft\Microsoft SQL Server Local DB\Instances\MAPToolkit\
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