United States
TheBackyardScientist is a Florida-based YouTube creator who built a multi-million subscriber audience by conducting extreme, often hazardous experiments…
Total Followers -0.1%
7M
Across YouTube, Instagram, TikTok
Primary Platform
YouTube
6.2M followers · 88% of audience
Engagement
4.5%
vs. 1.5% category median
Sponsorship Tier
Mega
Est. $1.4K–$3.6K / IG post
| Window | YouTube | TikTok | Combined | |
|---|---|---|---|---|
| Last 7 days | +0 +0.0% | +0 +0.0% | +0 +0.0% | +0 |
| Last 30 days | -9872 -0.2% | -86 -0.1% | +0 +0.0% | -9958 |
| Last 90 days | +0 +0.0% | -674 -0.9% | +0 +0.0% | -674 |
| Last 365 days | +0 +0.0% | -674 -0.9% | +0 +0.0% | -674 |
Daily follower snapshots from CreatorDB's longitudinal index.
| Brand | Type | Platform | Date | Performance vs. baseline |
|---|---|---|---|---|
| CrunchLabs Sponsorship | Sponsored content | YouTube | Apr 2024 | — |
| CuriosityStream Streaming / Education | Channel sponsor | YouTube | Long-term | — |
| Columbia Sportswear Outdoor / Apparel | Sponsored content | YouTube | Long-term | — |
TheBackyardScientist is a Florida-based YouTube creator who built a multi-million subscriber audience by conducting extreme, often hazardous experiments that sit at the intersection of DIY craftsmanship, chemistry, and sheer curiosity. His channel became a fixture in the science-entertainment space through videos involving molten metal poured into unexpected materials, rocket-propelled weapons, and high-energy chemistry demonstrations — content captured under the self-coined philosophy of 'constructive lawlessness.' His breakout era came during the mid-to-late 2010s, when backyard experiment channels were finding massive organic audiences on YouTube, and his willingness to go further than most — titanium combustion, oxygen-enriched reactions, handmade rocket knives — set him apart from more cautious science educators. The channel's YouTube bio framing of 'I do it so you don't have to' positions him less as a teacher and more as a willing test subject, which has historically driven strong repeat viewership.
Despite a period of reduced upload activity, the channel retains notably above-median engagement, suggesting a loyal core audience that remains alert to new content rather than passively subscribed. The gender split across his audience is evenly balanced, which is somewhat unusual for the tools-and-engineering niche and hints at broad mainstream appeal beyond the typical male-skewing DIY demographic. A sponsorship with CrunchLabs — Mark Rober's STEM subscription box brand — signals clear alignment with the hands-on science education space, positioning TheBackyardScientist as credible to brands targeting curious, maker-minded consumers rather than pure entertainment advertisers. His premium YouTube integration rates reflect the depth of audience trust built over years of high-effort production. Should he return to consistent output, his established channel authority and a sponsor profile rooted in STEM and engineering give him a durable lane in a niche with strong brand-spend tailwinds.
TheBackyardScientist reaches an audience concentrated in United States primarily through YouTube, and is best activated via long-form YouTube integrations, Instagram Reels and Stories, TikTok branded content. Their sponsorship history skews toward Streaming / Education, Outdoor / Apparel, a clear signal of fit for brands in those categories. Demonstrated partners include CrunchLabs and CuriosityStream. Engagement on YouTube runs around 4.5%, pointing to an audience suited to category-relevant, mid-funnel brand campaigns rather than pure-reach buys.
Benchmark estimates for a creator at TheBackyardScientist's tier (Mega, 7M combined followers, United States). Pulled from CreatorDB's category benchmarks.
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TheBackyardScientist built and launched a knife using a rocket motor, reaching speeds of around 400 mph in one of his most-watched experiments. The build combines DIY engineering with high-speed science to push an everyday object into genuinely dangerous territory — exactly the kind of stunt his channel is built around.
Constructive lawlessness is TheBackyardScientist's self-coined tagline, used across both his TikTok and Instagram profiles. It captures his content philosophy: running extreme, high-risk experiments — rocket-powered knives, exploding arrows, pure oxygen combustion — in a way that's creative and builds something rather than just causes chaos.
As of mid-2026, TheBackyardScientist's YouTube channel has gone close to a year without a new upload, which has fans questioning whether the channel is on an indefinite hiatus. No public announcement explaining the slowdown has been made, though his deep back catalog of experiments continues to attract views and keep engagement well above the category average.
One of TheBackyardScientist's most iconic experiments involves pouring molten aluminum directly into a fire ant colony, filling the underground tunnel network before it hardens into a detailed cast. Once excavated, the result is a striking sculpture that reveals the colony's architecture — equal parts science demonstration and accidental art piece.
In his "Don't Smoke in pure oxygen" video, TheBackyardScientist demonstrates that lighting a cigarette in an oxygen-enriched environment causes combustion to accelerate dramatically and dangerously fast. It's a vivid, hands-on illustration of how oxygen concentration — not just fuel — is the real driver of fire intensity.
TheBackyardScientist's titanium video highlights that the metal's fine chips and shavings are surprisingly flammable — a little-known property for a material most people associate with toughness and heat resistance. Under the right conditions, titanium turnings can ignite and burn at extreme temperatures, which slots perfectly into his "constructive lawlessness" content style.
Yes, TheBackyardScientist partnered with CrunchLabs — the subscription science-kit company founded by Mark Rober — for sponsored content on YouTube as recently as April 2024. The collaboration is a natural fit given that both creators operate in the hands-on science and engineering entertainment space.
Despite opening his YouTube bio with "Aloha YouTubers," TheBackyardScientist is based in the United States and the greeting reads as a casual, signature opener rather than a geographic signal. His content — backyard builds, metalworking, and outdoor experiments — hasn't pointed to a specific Hawaiian setting.
TheBackyardScientist builds exploding arrows by combining standard archery equipment with chemistry and engineering modifications, then firing them into targets to trigger the reaction on impact. The project is a recurring example of his broader approach: taking a familiar object and redesigning it around an extreme science principle to see what happens.
TheBackyardScientist has grown to over 6 million subscribers on YouTube, placing him firmly in the Mega creator tier. His engagement rate runs well above the science and education category average, which signals a loyal audience that stays active even during long gaps between uploads.
Stats (followers, engagement, audience demographics, growth) are pulled live from the CreatorDB API covering YouTube, Instagram and TikTok. Bio and FAQ content is AI-assisted; news items are sourced from cited public press at generation time. Read the full methodology →
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