Brick 1 x 2 with White 'POW' print

Reference

3004pr0077

BrickLink® #

3004pb257

Brick 1 x 2 with White 'POW' print (part 3004pr0077) is a LEGO element. CollectORbuild's catalog records it in 2 sets, including Bowser's Airship Expansion Set and The Mighty Bowser.