/str-/ Activities

Make street sweepers with wheels/chads (street sweeper, sweep the street, etc.)
Stretching area (cat stretch, digging stretch, leg stretch, etc.)
Street Signs

Mister Strong (strong, strongest, Mr. Strong is so strong that he can...)

Barbell (strong, strongest, I'm so strong that I can...)

Straws Activity (straw, straws, blue straw, bend the straw)

Street rug (street, streets, name of street)

Street signs (street, drive on the street, straight)

Beads (USA) (string, stringing, blue block on the string, yellow on the string, etc.)

Bowling (USA) (strike, strong, winning streak, struck the pins, straight up pins)

Ukelele (strum, strumming, strummed, string guitar)