Indoor Slide (over stairs) - Brainstorming

Help!!  My job situation caused us to move .  I have 4 small kids (8,7,4 and 2) who didn't want to move.  I promised them in our new house I would do something special.  We just moved to TN into a house with 2 staircases.  I would like to put a slide in on one of them.  My wife said she would only go along with it if it is relatively easy to take out if we have to move again.  Therefore, I would rather rig something over the top of the stairs than do any major reconstruction.  I have a picture of the staircase but I can't figure out how to add it in this post.  Wood stairs - slight dog leg right with a small landing there.    Any ideas?

Sorry it took so long to reply to your question, but it's not your everyday question.......

When I was growing up we just slid down the banister, Weeeeeee. I think it's great that you wish to do something special for your kids but I can't come up with any other idea concerning a slide except purchasing one and installing it over the stairs.

I do have an idea though.... Kids like anything to do with secrets ( even though they can't keep one ). If you have a closet upstairs that you can spare that has nothing under it ( downstairs, maybe a closet ) you could install a fire-men's pole, This will allow you to get from upstairs to the downstairs quickly.  With a little imagination this could be lots of fun, It could also come in handy.

A slide sounds fun to me!  How about covering the steps with a smooth surface?  Build up the wall side of the dog leg like a banked race track.  For the smmoth surface use grade A plywood completly sealed with some kind of smmoth epoxy paint.  Or maybe buy some plastick sliding boards or tubes that have turns like the slides into pools?  Whatever you come up with attach to the walls not the steps since the wall can fixed but wood steps would show the patch.  Just some ideas.  I like the idea of the fire pole the other person talked about.  have fun!

As an alternative to the stairs, what about a slide from the upper section of a bunk bed?  A slide on the stairs would worry me -- too much woodwork at the bottom to slide into.  I still have a scar on my eyebrow from a mishap like that 60 years ago.