Looking for an engaging Valentine's Day Science & STEM activity that combines creativity, problem-solving, and fun? The Cupid’s Arrow STEM Challenge invites students to design, build, and test a bow-and-arrow (or dart-thrower) for Cupid’s target practice.

Why This Valentine STEM Activity is a Must-Have:

What’s Included?

Everything you need for a seamless and engaging STEM activity:

Teacher Guide & Materials List

• Video teacher walk-through
• Tips on materials, timing, and setup
• Bonus extension ideas for post-activity engagement

 Editable Student Handouts:

• Data table and design analysis sheets  
• Customizable criteria and constraints lists

 Bonus Activities:

• Cause & Effect templates
• Create math problems related to designs template 

 Aligned Standards

• Perfectly tailored to NGSS science and engineering standards for grades 2–8.

Perfect for:

Materials Needed:

This activity is budget-friendly and adaptable, requiring only:

• Straws (5 – 10) 
• Cotton balls or sponge pieces (5) 
• Water colors or tempera paint (small cup per team) 
•  Groups dip arrowheads in the “love potion” before taking aim. If the whole class uses one target, each groups needs a different color paint. 
• Pipe cleaners (5) 
• Craft sticks (3 - 5) 
• Tape (24 in.) 
• String (24 in.) 
• Rubber bands (5 - 10) 
•  Scissors 

Optional materials like paints and feathers can add a festive touch for Cupid’s arrows!