Where is the Atom or a shrinking character?

[tanukitsune]

I need him for the mini tunnels and I still haven't found him. :\

[Tripas]

Have you tried using the Red Brick for mini characters? It achieves the exact same purpose.

[tanukitsune]

Really? I'll try that ASAP, thanks!

[Inspector Gadget|UST]

The Atom (Free Play)
How to Unlock: In Level 5 when you are taking on the objective Escape from Confinement you first have attack the silver things next to Green Lantern, use them to build a waste station and then find some waste from upstairs using a cleaning vehicle.

Take all four piles of goo to the disposal station you have made and park in the middle too dispose off the waste. Once you have done that, two levers will appear, pulling them will get you Atom’s Character Token.