^^^ Shameless thread plug... YouTube vid here
viewtopic.php?f=45&t=4596&hilit=character+chest
@LeiaOrgana
Ralphs unlocks are:
Ralph's Cherry Bombs (8-bit)
Ralphs Truck
Ralph figure
Nicelanders Sky (Fix-it-Felix Jr Machine)
Nicelanders Terrain
Nicelanders Building (set piece)