Bat Reactor:
1990 Toybiz, Batman Batcave playset
Reactor core. outdoor patio light and parts from a Darth Vader Robotic arm science kit from Hasbro.
Walkway, Imaginext playset.
Cylinders' salt and pepper shakers dollar store.
Large vent, Lighter tray from retail store repainted silver.
Steam release valve, Young justice Aqualad figure.
Just behind the steam release valve is some piping from a X-men evolution Nightcrawler figure and the back pack from a crowd control stormtrooper.
Control Console, The Batman Batcave playset, legs are from Star wars Attactix Base/ Carrying case.
Core Cylinders, Young Justice Superboy
Training Center:
Young Justice Artemis and Arsenal Deluxe figures.
Weights are from Wrestling figures, Kitana, and sparring staff is from TMNT.
Jars for "Old Friends" are fro dollar store.