Making homemade play dough is the easiest activity to do with kids. The dough cooks up in minutes, cools a bit and then can be customized with colors, glitter and different extracts or scented oils.
Easy Salt Dough Recipe for Kids (3 Ingredients!) - Unsophisticook
Scented Homemade Playdough Recipe (Done in under 15 minutes!)
Top 10 Play Dough Recipes from 2011 - The Imagination Tree
Purpose of playing with play dough - MSU Extension
Homemade Play Dough - Food & Swine
Homemade Play Dough - Food & Swine
The Secret to a Vibrant and Soft Homemade Play Dough
Play Dough Recipe
Playdough recipe