100 Days of Science #68-- Index Card Tower

My boys did such a wonderful job with their spaghetti bridges and popsicle stick bridges that I decided to look up some other fun STEM challenges. 

I found a fun index card challenge that I thought they might like.  I handed each of them a package of index cards from the dollar store and asked them to build the tallest tower they could just using index cards.  

Evan struggled quite a bit at first not thinking about folding the cards in any way but once we saw what his older brother's were doing he hatched a new plan. 

Every now and then they'd stop to measure their towers.. being very careful not to knock them over.

Ian build his tower on our coffee table making sure to use a nice wide base.

Ian's tower was the tallest by just a few inches and Evan had the shortest.

This challenge really got them thinking about structural integrity and they had to be real careful of how they moved about too.

Have you ever tried a fun challenge like this?

Others in this series:
58.  Exploding Snow and Water Baggies 
59.  Exploring Properties of Minerals
60.  Visiting the Hartford Science Museum
61- 63.  3 Difference Bridge Challenges
64.  Making Models of the Earth's Layers 
65.  Graham Cracker Plate Tectonics 
66.  Homemade Lava Lamps
67.  Movies We're Watching for Science 


  1. This is so great! The guys must have loved the challenge!

    1. My older two really enjoyed it; they like being challenged but my youngest gets frustrated so easily that he did not enjoy it much at all.

  2. Those are impressive! I love this idea.

  3. I should do this with my boys this summer! They would love it!

    1. I bet they would and it's so nice and easy to prepare for too.


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