Bill and Ben were once sent to collect the Rock Crusher from the docks for the Centre Island Quarry. When Fergus told them to be careful, the twins deliberately ignored his advice and made as much noise as they could, which only caused a landslide. Luckily, Fergus pushed them out of the way and took the force of the impact.
- Wooden Railway (two pack with Rheneas; later two pack with Skarloey)
- TrackMaster ("Quarry Cars" three pack)