Children choose a letter out of a bucket and dab it with a bingo marker. (Different colour for each letter.) Good for letter recognition. Do something similar with numbers 1 through 10 or Can add pictures for sound recognition also
ABC play dough mats for preschool and pre-k. I love these because kids can build the letters with playdough, find the letter in the alphabet line, find the letter/practice the sounds with the pictured objects, trace the letter, and write the letter.
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!