Mini ninjas ice land help!!

Hey, I need help getting past the plane of spirits in the ice world.
It has what looks like a box to draw but there is no top, i just cant figure out how to get past it.
Please Help
All help is much appreciated thanks.

Oh that.... ummm let me think.... You draw the thing, and I think You destroy the left one and then when your one it destroy the right platform or something.... I forgot.

im stuck in the exact same place