About this 3D model

This will be a part of a nuclear plant playset that i'm designing for children. Future things to come include a pressurizer, generator, cooling tower, pumps, and snap together piping. Other Things in this playset so far: http://www.thingiverse.com/thing:106774 http://www.thingiverse.com/thing:107869 http://www.thingiverse.com/thing:108110