You can easily adapt this alphabet mail activity for kids from @ No Time For Flash Cards, for speech and language in the the therapy room or the home. Try putting pictures of vocabulary or articulation words in the envelopes!
Free Christmas Tree Count to 20 Puzzles - this are such a fun Kindergarten Christmas Math activities, game, centers for kids to practice numbers 10-20, counting to 20, count to 20 number words and more as morning work.
The Stay-at-Home-Mom Survival Guide: Preschool Activities This is a GREAT site. She has so many clever and easy ways to work with your preschooler and have fun at the same time. They also have infant and toddler activities. Great ideas for this summer!