4 Engineering Challenges for Kids Challenge #2: Using any size base, build the tallest possible structure.
Inquiring Minds: Mrs. Myers' Kindergarten: Inquiring About What Makes Something Sink or Float
STEM Challenge for Kids: Create a pinball like marble maze game using paper plates and other basic craft materials. Fun design and building challenge! ~ BuggyandBuddy.com
STEM Activities with Blocks - An Everyday Story
10 Fun Things to do with your 8-10 Month Old Baby | The Train Driver's Wife
The Imagination Tree: Mini Discovery Boxes for Open-Ended Play (at the very least, I should get some smaller plastic boxes for storing the stuff we already have ...)
Magnetic Discovery Bottles by Preschool Inspirations
Preschool Letter Recognition Activities - Matching Upper and Lowercase Letters using paper cups, and lots of other fun activities.
Water unit: I would use this by asking the students who or what uses water. We would create a class poem; combing science and language arts.