baby sleep training: The 7 Worst Baby Sleep Training Mistakes You Can Make This is a great article for new moms and even a good refresher with baby #2 on the way.
If you need a super simple volcano recipe, it doesn't get much easier than this. Prep is about 3 minutes, and there is no clean up necessary. Easy Baking Soda and Vinegar Volcano Eruption for Kids by Preschool Inspirations