You save them every year. You buy a new box and then remember that you still have a tone left from last year. Maybe you have saved every card ever sent to you. Well let’s put those cards to work and set up a invitation to engineer with our Christmas card engineering activity and STEM challenge for kids!


Christmas Card Engineering Activity and Christmas STEM Challenge for Kids

What can you build with a stack of Christmas cards? Turn everyday items into awesome STEM challenges. A simple to set up Christmas card engineering activity is a great indoor activity to keep the kids busy. You can also try a big stack of party cups. 


How many triangles can you count? What’s the tallest structure you can design with Christmas cards? This Christmas challenge is the best, last minute Christmas activity you will always have time to do. No mess and no fuss!

Christmas Card STEM Challenge

Our Christmas card engineering activity is also one of our 25 Days of STEM Challenge Cards. Print out all 25 and get ready for a STEM filled Christmas with your kids this holiday season. Our free Christmas challenges printable pack has fun activities using simple supplies.



Christmas Cards! Yes, it’s that easy. I am pretty sure, tucked away, you have plenty of leftover cards. Why not let the kids test out their designing and engineering skills with an easy Christmas activity. Don’t have a lot of extra cards? Stop by the dollar store!

Christmas Card STEM Activity

Set out a basket as a simple invitation to build with Christmas cards. It’s as easy as that. Challenge them to use all the cards, build a tall structure, or design a Christmas tree.  Older kids can sketch their design too. The possibilities with this STEM challenge are endless.

Building with Christmas Cards Engineering Challenge

This Christmas card activity can be set up anytime! It can be left out for constant use too. Plus I believe, multiple ages will have working together or building side by side.

Don’t forget to grab your FREE set of Christmas STEM challenge cards

Have you ever thought about putting together a tinker kit too? Read more about our tinker kit idea for Christmas and how to use them with your kids. It’s an awesome way to encourage tinkering, inventing, and engineering through play.

Kid's Tinker Kit

Patience, perseverance, and steadiness are great STEM and life lessons learned here today. Yes, the structure fell over several times. How can you solve the problem. Encourage your kids to keep going and not to give up. Through these failures come successes too.

Christmas Card Building STEM

My son had an awesome time figuring out the design needed to build this Christmas tree. He declared it a Christmas tree of triangles. He built it a couple different ways too. That’s what is so wonderful about an open-ended activity like this one.

Christmas Engineering Activity with Christmas Cards

Check out some more awesome ways we have played around with Christmas tree STEM! Nuts and bolts, ice, slime…You name it and we have probably tried it. If we haven’t, send us a note. I love new ideas. Click on photo below!


Meaningful play that encourages so many valuable lessons! STEM challenges provide so many awesome opportunities for kids. STEM don’t have to be expensive! We love STEM on a budget. You won’t look at your recycling bin the same way.

Christmas card tree building activity for kids

Easy set up. Awesome fun. hands-on learning. And all of this accomplished with leftover Christmas cards.


Need more cool Christmas activities to keep you busy this season. We never have a shortage. Click on photos.

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Quick and Easy Christmas Activities Science Experiments for Kids

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