Try-out these activities:

Woodlands School has a nice list of punctuation activities.

BBC Dragon Game

Dewi The Dragon Part One

Dewi The Dragon Part Two

Dewi The Dragon Part Three

Dewi The Dragon Part Four

Bitesize Punctuation

Apostrophes Part One

Apostrophes Part Two

Apostrophes Part Three

Apostrophes Part Four

Apostrophes Part Five

Match The Contraction

BBC Skillwise Punctuation Activities

Brainpop Jr. Commas (paid subscription needed)

Brainpop Jr. Contractions (paid subscription needed)