So I tried doing this the way I try to make the Husky Treats.

Mix the dry Cheerios, pretzel sticks, and toffee bits together, breaking up the pretzels.
Melt the butter in a microwave for about a minute. 

Then coat the marshmallows with the butter and melt in microwave for about 4 minutes or until doubled in volume. 
Then mix the dry ingredients with the melted marshmallows.
Spread on a pan and cool.

☣️☣️☣️☣️☣️
Well, this didn't work!
It was too much to get the dry ingredients to mix with the marshmallows. I managed to do it, but the toffee bits didn't want to play.
So then I spread everything in a big Pyrex baking dish like for cakes and brownies, and heated it in the microwave more. 
This was okay, but microwaves send their juice mostly to the middle.
Anyway, then I put a bunch more toffee bits on there, melted them some more, and spread them out with a spatula while they were still hot.
Better, but when I tried to heat them again, the same thing happened where the middle got too done.
Bottom line.
The parts that melted the most ended up in hard crack state, while the edges of the dish were a little more chewy.
Okay, they were delicious, but I need to find a way to get them to be nice and crunchy all the way through without being jawbreakers.