# Impossible Domino Tower

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The Impossible Domino Tower Puzzle asks, “Can you arrange 16 dominoes to build this seemingly impossible domino tower?”

This domino puzzle might look familiar because I tackled a similar puzzle, the Impossible Domino Bridge, with my students back in September. My students loved the challenge of building with dominoes.

So when I saw that Ivan Moscovich had another domino puzzle, I knew I had to type it up so I could share the new challenge with my students.

I ran across this domino puzzle in Ivan Moscovich’s book, *Tough Topology Problems & Other Puzzles*. I am a huge fan of Mr. Moscovich’s puzzles, and I have featured many of them on my blog over the years.

Other puzzles by Moscovich include Panda Squares, 5 Arrows Puzzle, Fitting Shapes, Number Strips, and Zigzag Overlap.

My students immediately took to this challenge. They found it much harder than the Impossible Domino Bridge Puzzle that we did earlier in the year.

But, as you can see from this photo, it is not impossible!

One thing I have learned from doing these domino puzzles with my students is that not all dominoes are easily stackable. You will need to make sure you use a set of dominoes with square corners.

I bought some dominoes at Dollar Tree this summer that I had hoped would work, but the rounded corners made them very hard to balance on top of one another. If you pick the wrong dominoes, it truly will be an “impossible challenge!”

I picked up this box of double-six dominoes at a thrift store this summer, and they worked perfectly.

I created two different formats for the instructions for this puzzle. First, I created a letter-sized version of the Impossible Domino Tower instructions.

I laminate the page so I can place it out with the dominoes to capture student interest.

**MATH = LOVE RECOMMENDS…**

A laminator is a MUST-HAVE for me as a math teacher! I spent my first six years as a teacher at a school with a broken laminator, so I had to find a way to laminate things myself.

I’ve had several laminators over the years. I currently use a Scotch laminator at home and a Swingline laminator at school.

I highly recommend splurging a bit on the actual laminator and buying the cheapest laminating pouches you can find!

I also downsized the instructions to print four to a page. If you have access to a lot of dominoes and want numerous students to be working on the challenge at the same time, this format should save you both paper and time spent laminating!

I know that this activity is going to become one of my go-to end of the year math activities!

## Free Download of Impossible Domino Tower Puzzle

Impossible Domino Tower (PDF) (4899 downloads )

Impossible Domino Tower (Editable Publisher File ZIP) (1444 downloads )

## Puzzle Solutions

I intentionally do not make answers to the printable math puzzles I share on my blog available online because I strive to provide learning experiences for my students that are non-google-able. I would like other teachers to be able to use these puzzles in their classrooms as well without the solutions being easily found on the Internet.

However, I do recognize that us teachers are busy people and sometimes need to quickly reference an answer key to see if a student has solved a puzzle correctly or to see if they have interpreted the instructions properly.

If you are a teacher who is using these puzzles in your classroom, please send me an email at sarah@mathequalslove.net with information about what you teach and where you teach. I will be happy to forward an answer key to you.

Not a teacher? Go ahead and send me an email as well. Just let me know what you are using the puzzles for. I am continually in awe of how many people are using these puzzles with scouting groups, with senior adults battling dementia, as fun activities in their workplace, or as a birthday party escape room.