Introduce the letter Jj and its sound.
Practice jumping and hopping. Talk about the difference.
Find preschooler’s jacket and ask what letter it starts with.
Read The Jacket I Wear in the Snow. Let preschooler say words when book shows pictures.
Glue/sprinkel jello on cut out letter J. (source: Preschool by Stormie)
Make Jello Jigglers
(Use upside down candy cane cookie cutter to cut out letter J.)