Your child will love this Igloo STEM Activity!

If you’re looking for an engaging project for your child to experiment with on snow days, this Igloo STEM activity is educational and fun.

No matter if your child is schooling online or going in person, there’s bound to be a few snow days ahead. STEM projects help keep their brains busy while having fun.

This Igloo STEM activity will bring the snow indoors, with items you probably already have in your house.

Here are the supplies you’ll need:
  • Sugar cubes
  • Icing
  • Marshmallows
  • Toothpicks or Spaghetti
  • Paper

The first thing you should do is gather up all the supplies. Present them to your child in a basket or laid out on a table.

At this time, challenge them to build an igloo with sugar cubes or marshmallows. Encourage them to plan ahead before they start building. This way they can think about the structure before they create.

There are two ways to make igloos.

The first way is with sugar cubes and icing. For this method, have your child use the sugar and icing like someone would with brick and mortar. It’s the same process, just on a smaller scale.

These igloos will be smaller, but sturdy. This method is the messier of the two, so it’s good to have a piece of paper underneath for an easy clean up.

The second method is marshmallows and toothpicks or spaghetti. Your child can use big or small marshmallows. Whatever you have on hand or what they think will be best for building. They can connect the marshmallows using toothpicks or spaghetti. One great reason for using spaghetti is they can break off different lengths.

Once they have their plans and supplies, they can create.

When they finish, ask them how they thought the building process went. You can also talk about different ways they would build an igloo in the future too. Any conversation about how the structure was built is a great way to engage their minds.

If they’re sill ready to build, let them use the different materials too! After the second igloo is built, ask them more questions.

Happy building!

If you give this one a try we want to know how it goes for you! Send your feedback, photos, etc. to

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