I think Forza should add more items to the EventLab “Horizon History” prop category, including:
Every type of Bonus Board that has appeared from FH1-FH4 (including FH2 Storm Island Upgrade Boards)
FH2 Cargo Plane
FH2 Cropduster
FH4 Wind Turbine
FH4 Mailbox
I’ll update this list later.