1. FamilyEducation - Guides on choosing a good preschool, benefits of preschools and hundreds of activities to keep your preschooler occupied, interested and engaged at home: http://school.familyeducation.com/educational-issues/preschool/34394.html
2. Gayle's Rainbow Preschool - Activities that you can do at home or in school to nurture reading, counting, and listening skills in your preschooler: http://www.preschoolrainbow.org/index.htm
3. Free Kid's Crafts - Ideas on kid's crafts that will not only occupy your children but will also positively affect them: http://www.freekidcrafts.com/index.html
4. Free online educational games for toddlers: http://www.jambav.com/