Starbooked

Zach's Contraptions

@zachscontraptions · US · EN

Zach Umperovitch (@zachscontraptions), a US creator, makes Rube Goldberg machines and chain reaction builds for about 22,700 subscribers with median views near 285 per video. He posts long-form videos about every six weeks, and his sponsored integrations would cost roughly $150 to $250 per video at the base rate.

Why brands book Zach's

Family-friendly STEM creator with a built-in Rube Goldberg audience

  • About 22,700 subscribers and 1.24 million lifetime views
  • Median of 285 views per video, so pricing is based on long-form rates
  • No sponsorship disclosures in recent uploads, so a brand integration would be a first
Best forSTEM education campaignstoy and build-kit launches
Watch forMedian views are low relative to subscribers, and upload pace has slowed to eight videos a year.

Brand fit report

Content

Topics, IAB taxonomy
Hobbies & Interests55%
Technology & Computing25%
Lifestyle20%
Formats
live event broadcasts, contest coverage, short build showcases, educational explainers
Tone
playful, enthusiastic
Language
English
On camera
Yes, talking head
Production
Clean, lightly edited
Typical length
5 to 30 minutes, with some livestreams over 2 hours

Audience

Commercial intent10/100
Comments asking for links, prices or where to buy
Sentiment85/100
Positive share of 30 comments
Engagement2.2%
Likes and comments per view on recent videos
Audience asks abouthow to build a rube goldberg machine at homehow the contest and championship workwhich chain reaction components to use
Age
25%18-24
30%25-34
20%35-44
25%45+
Gender
45%women
55%men
Countries
🇺🇸 United States70%
🇬🇧 United Kingdom10%
Other20%
LanguagesEnglish 95%Other 5%

Commercial

0%of the last 50 videos were sponsored
None seenno sponsored videos in the last 50
Brands seen
None yet
Categories promoted
None yet
Affiliate links
No

No sponsorship disclosures found in the last 50 videos

Suitability GARM Brand Safety Floor + Suitability

Profanitylow
Adultlow
Drugslow
Violencelow
Politicslow

Family friendly
Content is STEM-focused build videos with no flagged themes in the recent titles, such as 'Duck vs. Fish: The Rube Machine Showdown!'.

We classify content, never people. No age, gender, ethnicity, religion or political views are inferred about the creator. Audience figures are estimates unless marked verified. Creators can correct anything on their profile.

Platforms

PlatformFollowersMedian viewsUploads, 90d
YouTube23k2850
Instagram–––
TikTok–––

Benchmark score: 6 / 100

Public rule, same for everyone. How it works.

Engagement Median views relative to followers2 / 50
Activity Uploads in the last 90 days0 / 30
Reach Followers on the main platform5 / 20

Recent videos

Last three uploads, latest 93 days ago.

I create mind-blowing Rube Goldberg machines, crazy contraptions, and other whimsical inventions. Discover the complexities behind these mechanisms so that you can learn to build your own contraptions at home. Subscribe now and join me on this incredible journey of invention and exploration! Welcome to Zach's Contraptions, where creativity and innovation collide! My name is Zach Umperovitch and I am the World's Leading Authority in all things Rube Goldberg / Chain Reaction: aka "THE Contraption Master." - Co-Host & Creator of Discovery Channel's "Contraption Masters" - A Three-Time Guinn
Zach's Contraptions's own profile description on YouTube

Are you Zach's Contraptions? Claim or remove this profile.

About Zach's Contraptions

Zach's Contraptions is the YouTube channel of Zach Umperovitch (@zachscontraptions), a US-based builder who makes Rube Goldberg machines and chain reaction contraptions. According to his website, he is a professional machine builder, co-host and creator of Discovery Channel's Contraption Masters, a three-time Guinness World Records holder, and National Contest Director at the Rube Goldberg Institute. The channel posts livestreams of contests, short build showcases, and longer educational explainers.

The channel has about 22,700 subscribers and a median of 285 views per video, with roughly eight uploads over the past year. Its audience is estimated to skew toward US viewers interested in STEM, engineering students, and teachers, though these are estimates rather than platform-reported figures. Recent videos show no sponsorship disclosures.

A sponsored integration is estimated at $150 to $250 per video based on median views. At $20 to $35 CPM, this compares with the $10 to $30 CPM typical of paid ads, so brands wanting a small, engaged STEM audience may find it efficient. It suits education and build-kit brands.

Written from Zach's Contraptions's public YouTube profile, platform data and web mentions. Numbers updated 2026-10-19. Zach's Contraptions can edit or remove this page at any time.

Questions about Zach's

How much does Zach Umperovitch charge for a sponsored video?

Based on his median of about 285 views and long-form pricing, a sponsored integration is estimated at roughly $150 to $250 per video. This is a formula-based range, not a published rate card, so confirm terms directly with him.

What does Zach Umperovitch post about on YouTube?

He posts Rube Goldberg and chain reaction content, including contest livestreams, build showcases, and educational explainers about how these machines work. Many videos center on STEM learning and how viewers can build their own contraptions at home.

How do I contact Zach Umperovitch for a brand deal?

His website, rubegoldbergmachineexpert.com, has a contact form and lists consultation and presentation inquiries. Contact details unlock on Starbooked for $0.80, and boosted creators can be booked through Starbooked.