Maybe he can find stuff? Their dad's found a lot of cool stuff for them to use in the Lair. Old stuff, some kind of new stuff. Donnie's familiar with tools, if passingly, but he knows a screwdriver and a hammer won't be enough to make a cool metal staff.

He sullenly munches on more fries, although Accelerator's suggestion of making his own tools does pique his interest again. He looks hopeful for all of two seconds. "But don't you still need tools?" How else does one make new tools otherwise?