Hot hot water, 2-3 cups vinegar, good squirt of blue dawn dish soap. Let sit for 30-45 mins.
How & Why to Clean Bath Toys. I've always wondered how to do this because they mold on the inside.
DIY Network shows you how to use vinegar and tea tree oil-based solutions to clean the inside and outside of your kids' bath toys.
How to clean bath toys naturally WITHOUT bleach
We Love Being Moms!: How to Clean Bath Toys! Plus, glue holes closed once toys are clean (or when you first get them).
Clean your kids toys in the dishwasher with vinegar! Use 1 1/2 - 2 c. white vinegar. (And recipe for spray to clean wooden toys and others that can't go in the dishwasher.) Via Lilac City Momma
How to clean bath toys
We Love Being Moms!: How & Why to Clean Bath Toys!
Great way to save your water and bath toys from getting mold inside and having to throw them away.