Gravity alone might not allow more dense stuffed animals to drain properly; squeeze the water down from the legs and out through the feet (or whatever...
"Surface Wash Only" is a myth. Standard stuffed animal toys can be submerged and washed carefully. I'll show you how to rescue your most loveable (and roughly loved) from being discarded on the grounds of being "unsanitary."
Step 1: Select a Creature
Find one that really needs a bath. This guy has a mystery stain. Gross.