Activities that are open-ended and use simple household materials provide joyful experiences that nurture children's creativity while not straining the pocketbook. With just a little planning, every day at daycare or preschool can be an enriching one.
Preschool Express by veteran preschool teacher and author Jean Warren is a treasure trove of projects, ideas, rhymes, and stories, including skill building activities, science, art, and age appropriate topics for toddlers.
On the National Association for Child Care Resource Referral Agency's website, you can find Activities for You and Your Child, a compendium of crafts, water play, science, books, etc. that is searchable by age. An added bonus is that each activity lists children’s books to match the activity. Reading about something and doing it a doubly powerful learning experience for young children.
The Santa Clara City Library's booklist of Children's Activity Ideas for Childcare will provide you with a wealth of ideas and inspiration for daily activities at your childcare site.