flux capacitor
Skip itPrices mostly outside the sweet spot ($4.92–$1366.20) — this niche doesn't clear our bar today.
Review moat
Great280.8avg incumbent reviews — the moat a new listing must climb
Quality gap
Great4.3★avg incumbent rating — lower means beatable quality
Avg price
Good$168.82avg listing price — sweet spot $15–$100
Returns
Good3.0%return rate — above 5% kills the launch gate
Brand share
Okay85%top-5 brand share — brands hold most of the demand
Market size
Okay$125K$125K/yr · 95K searches
Growth
Bad-11.9%90-day search growth — must beat 0% to launch
Competition
Bad83%top-5 click share — a locked-up shelf
Conversion
Bad0.8%search→purchase rate — share of searches ending in a sale
Price range
Bad$4.92–$1366.20cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, flux capacitor is a $125K/yr Amazon United States market (95K searches/yr). The top 5 brands hold 85% of demand. Demand peaks in Nov–Dec. Verdict: Skip it — 33/100.
Data updated Jul 8, 2026 · scored weekly · How we score niches
flux capacitor market data
- Units sold / yr
- 750–1K
- avg 100–250/product
- Revenue / yr
- $127K–$169K
- units × avg price
- Conversion rate
- 0.8%
- Avg BSR
- #289,479
- Page quality
- 0%
- Prime
- 40%
- Sponsored
- 50%
- Out of stock
- 11.1%
- Avg brand age
- 54 months
- Avg seller age
- 162 days
Competition & brand share
The top 5 products capture 83% of clicks — a locked-up shelf that new listings rarely crack.Brands
9 rising
Sellers
30
Top-5 brand share
85%
Top 20: 100%
Top-5 click share
83%
Top 20: 100%
Open market
11%
- Back To The Future40%
- American Classics18%
- Bargain Max Decals13%
- Numskull7%
- Factory Entertainment5%
- Leyland Designs4%
- Open — no brand owns it (3 brands, 11%)
Demand & seasonality
Weekly Amazon search volume, last 88 weeks — -11.9% search growth over the last 90 days.Peak months: Nov, Dec · busiest ÷ quietest = 2.3×
Top flux capacitor search terms
- flux capacitor69K/yr
- flux capacitor back to the future17K/yr
- back to the future flux capacitor5K/yr
- flux capacitor car charger3K/yr
Top flux capacitor products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 10 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Back To The Future Life-Size 1/1 Scale Flux Capacitor Replica 12-Inch LED Mood Light
Back To The Future$188.974.5★39 rev
American Classics Back to The Future 80s Syfy Flux Capacitor Comedy Spielberg Movie Adult T-Shirt Gray X-Large
American Classics$25.124.4★8 rev
80s Movie Flux Capacitor Sticker Decal Notebook Car Laptop 3.5x5.5 (Color)
Bargain Max Decals$6.274.6★51 rev
NUMSKULL Back to The Future 3D Lamp Wall Light Plastic - Ambient Lighting Gaming Accessory for Bedroom Home Study Office Work - Official Back to The Future Merchandise
Numskull$34.364.6★2,676 rev
Factory Entertainment Back to the Future Flux Capacitor Prop Replica Movie-Prop-Replica Collectible Adult Includes Numbered Plaque Prop Story Booklet and Remote Control
Factory Entertainment$1366.200.0★0 rev
Newest
by launch date
Flux Capacitor Time Machine Dashboard Control Panel Design - Retro Sci-Fi Movie Fan Gift - 5 Vinyl Decal Bumper Sticker
Leyland Designs$4.920 rev
Nilight Flux Capacitor Push Button Switch 12V ON Off Switches with Connector Wire Kit 1.28 x 0.87 Replacement for Toyota Sequoia Highlander Tacoma Tundra 4Runner RAVR Yaris
Nilight$9.1611 rev
Back to the Future time Machine/Flux Capacitor Panel Stickers/Labels 2 Stickers by Dead Head Props
Dead Head Props$14.853 rev
Back to The Future T Shirt Flux Capacitor Mens Kelly Green Heather Short Sleeve 80s Movie Graphic Tees
American Classics$23.430 rev
Back To The Future Life-Size 1/1 Scale Flux Capacitor Replica 12-Inch LED Mood Light
Back To The Future$188.9739 rev
Trending
90-day click momentumBack to The Future T Shirt Flux Capacitor Mens Kelly Green Heather Short Sleeve 80s Movie Graphic Tees
American Classics$23.430.0★
Flux Capacitor T Shirt Funny Vintage Retro 80s Movie T Shirts for Men Funny T Shirts Vintage Apparel for Men Cool Movie Short Sleeve Novelty Tees for Guys Royal - L
Crazy Dog T-Shirts$14.974.0★
Flux Capacitor Time Machine Dashboard Control Panel Design - Retro Sci-Fi Movie Fan Gift - 5 Vinyl Decal Bumper Sticker
Leyland Designs$4.920.0★
American Classics Back to The Future 80s Syfy Flux Capacitor Comedy Spielberg Movie Adult T-Shirt Gray X-Large
American Classics$25.124.4★
Nilight Flux Capacitor Push Button Switch 12V ON Off Switches with Connector Wire Kit 1.28 x 0.87 Replacement for Toyota Sequoia Highlander Tacoma Tundra 4Runner RAVR Yaris
Nilight$9.164.6★
What buyers say about flux capacitor
What buyers praise and complain about, mined from review topics.What buyers love
“It even dimly glows just like it did in the movie I must have for any back to the future fan”
“Great quality stickers”
“BTTF calendar - great item and price”
What buyers complain about
“Doesnt actually work”
“Of course its not anything super heavy or fancy its $35”
“This could not have been made any cheaper”
“Arrived with a broken speaker”
“The printing is blurry like other reviewers have said”
“Would like an option for bigger size”
Top return reasons
Common questions
- Is flux capacitor profitable to sell on Amazon United States?
- The niche generates $125K/yr across 10 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -11.9%. Flapen's verdict: Skip it (33/100).
- How competitive is the flux capacitor niche?
- 9 brands and 30 sellers compete. The top 5 products take 83% of clicks and top 5 brands hold 85% of demand.
- What do buyers complain about in flux capacitor?
- Top complaints mined from reviews: Functionality-Overall, Weight Heavy, Value For Money. The return rate is 3.0%.
- When does demand for flux capacitor peak?
- Demand peaks in Nov–Dec; the busiest month runs 2.3× the quietest.
- What does it cost to enter the flux capacitor niche?
- Listings span $4.92–$1366.20; the average listing price is $168.82 (sweet spot $15–$100). The average incumbent carries 281 reviews — the moat a new listing must climb.