Valentines Day Stem projects can be super fun for the little ones!
Whether you’re looking for Valentines day classroom activities or a fun STEM project to do in the home, this 3 Dimensional heart project is sure to be a big hit with the kids.
Supplies Needed For This Valentines Day Activity
- 16 heart-shaped or large plain marshmallows
- 8 paper straws, cut in half
- 3 additional straws, cut in thirds (You will need 8 pieces)
- Scissors, for cutting the straws in half
For the Optional Challenge:
Additional straws and marshmallows
How To Create This Valentines Day Project
Instruct the children to build a 3-dimensional heart using the marshmallows and straws.
If the children struggle to construct the heart, mention that it is easier to build one heart first by connecting the longer (half-cut) straws into the marshmallows.
Using the marshmallows as a joint between straws. The straws may need to be twisted while pushing into the marshmallows to make them stick.
Then, push the shorter straws (third-cut) vertically into each marshmallow. This creates the supports for the second layer.
Children should continue building the second layer by pushing marshmallows onto each vertical straw and then connecting the marshmallows with horizontal straws.
Optional: Once the hearts are built, challenge the children to make the structures more stable without instructions.
If multiple children are each constructing their own heart, test to see who has the strongest heart by picking them up or by placing paper on top one sheet at a time.
Optional: Challenge the children to create a smaller or larger heart using the same methods.
Looking for some more fun Valentine’s Day themed activities for kids? Here are a few of my favorite ones.
- Valentine’s Day Sensory Bin for Kids
- Super Easy Valentine’s Day Play Dough
- Valentine’s Day Card Ideas for Kids to Make
- Unicorn Valentine’s Card Activity
- Paper Plate Valentine’s Day Craft
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About Angela Milnes
Angela Milnes is a Qualified Early Years Teacher who specialised in Preschool and Kindergarten teaching. She has a wealth of experience teaching young children and is passionate about kids crafts, preschool music and reading with kids. Don’t forget to follow our fun crafts and creative ideas over on Facebook.
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