HTD is known for creating fiery chain reactions in an assortment of shapes, but in its latest video, the YouTube channel took things up a notch. In its largest-scale experiment to date, HTD constructed a three-tier birthday cake entirely out of matches—7,000 to be exact—and set it ablaze.
Read More: Here’s the Horrifying Thing That Happens When You Pour Molten Copper on a Big Mac
The clip begins with someone lighting the top tier on fire, kickstarting a domino effect that eventually ignites the other two levels. Once the entire “cake” is consumed in flame, it takes about 45 mesmerizing minutes for it to burn all the way out.
Watch the full video above.
More Must-Reads from TIME
- Why Trump’s Message Worked on Latino Men
- What Trump’s Win Could Mean for Housing
- The 100 Must-Read Books of 2024
- Sleep Doctors Share the 1 Tip That’s Changed Their Lives
- Column: Let’s Bring Back Romance
- What It’s Like to Have Long COVID As a Kid
- FX’s Say Nothing Is the Must-Watch Political Thriller of 2024
- Merle Bombardieri Is Helping People Make the Baby Decision
Write to Megan McCluskey at megan.mccluskey@time.com