Groundhog Day Speech Therapy - Articulation Therapy Activities Speech therapy can be so much fun on Ground Hog day with these boom decks. Sounds include p,b,t,d,k,g.As they practice saying the target sound they tap the letter and then a groundhog will appear. The puzzle will reveal a fun picture as the student progresses through the deck. There are no right or wrong ding sounds leaving the activity open-ended for the therapist or parent to work with the child and progress when they are ready by