Reply To: Parts Inventory Program? Home › Forums › All Things LEGO! › Parts Inventory Program? › Reply To: Parts Inventory Program? October 31, 2016 at 3:28 pm #18431 David BaconParticipant Matt Redfield wrote: BrickSet just pulls inventory from Rebrickable, but either way, it’s fairly useful and easy to navigate… I think Brickset pulls straight from Lego’s inventory.