Pressurized air blows stubborn children through the play tubes and down the slide.
-- 21 Quest, Mar 20 2023

Iris (choke) Valve https://www.aaamach...mi/iris-valve.shtml
Could work? [neutrinos_shadow, Mar 20 2023]

What kinda pressure we talkin bout here?
-- whatrock, Mar 20 2023


And how rotund are these stubborn chikdren?
-- a1, Mar 20 2023


Why, sufficient pressure to dislodge the children, whatrock. Insufficiently rotund to resist the pressure, A1.
-- 21 Quest, Mar 20 2023


Really needs a way to accommodate children of various rotundities. Perhaps something akin to an iris valve?
-- neutrinos_shadow, Mar 20 2023


// iris valve //

Or a flexible tube?
-- a1, Mar 20 2023


Do you mean Iris Valve the punk trumpet player?
-- normzone, Mar 20 2023


Larger children simply build up pressure behind them until sufficient force is accumulated to dislodge them, like Augustus Gloop.
-- 21 Quest, Mar 20 2023


You trying to tell us that 'your' child isn't stubborn?

Damn son! You done won the parent lottery.
-- 2 fries shy of a happy meal, Mar 20 2023


Mine is persuadable with threats of violence.
-- 21 Quest, Mar 20 2023



random, halfbakery