Cupid’s delivery system is failing, and your students get to be the engineers who save Valentine’s Day. Valentine Straw Rocket STEM Challenge is a hands-on, low-prep engineering activity where kids build simple straw rockets, decorate them as heart or cupid rockets, then launch, measure, and redesign to improve distance and accuracy. It’s the perfect February STEM center, whole-group challenge, or fast-finishers activity that feels like play, but quietly nails real science and math skills. S