# Bill of Materials

If you want to know exactly which parts to order and where to order them from, the following link goes to a Google Sheet that sources parts for the OSR2 and OSR2+. There are columns for China, USA, and Other Country sources.

See the "OSR2+ Tab". This Google Sheet is still in progress.

[Bill of Materials for OSR2+](https://docs.google.com/spreadsheets/d/e/2PACX-1vR7O3YpB6y_eaWl9i8pJiD8CKBd_wJ-eUpjwMpdvX1HDodIKnUXgUXuxN605Pqvu3ewDoYQ2kcgI-Il/pubhtml "BoM for OSR2+ - See "OSR2+" Tab")