I recently descovered something which may help. In my un-glitched version (yay!) of VV3, I found it helpful to pause the game when a mushroom appears and put all the children onto it while it's paused. Each child gets a mushroom \:\)
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Zoombinies!
Scatmans world!

I'm calling out from Scatland I'm calling out from Scatman's world.
If you wanna break free you better listen to me.
You got to learn how to see in your fantasy.
I would have more lyrics but 300chars aint enuff

Wat?