terrarium
Worth a lookShows a sweet-spot price point ($26.41 avg), but weak search conversion (1.0%) keeps it on the watch list.
Avg price
Incredible£26.41avg listing price — sweet spot $15–$100
Returns
Great1.4%return rate — above 5% kills the launch gate
Price range
Great£7.99–£66.27cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Great350.12avg incumbent reviews — the moat a new listing must climb
Brand share
Good69%top-5 brand share — brands hold most of the demand
Competition
Good49%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Okay£173K£173K/yr · 628K searches
Growth
Bad-18.8%90-day search growth — must beat 0% to launch
Conversion
Bad1.0%search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United Kingdom niche tracking, terrarium is a £173K/yr Amazon United Kingdom market (628K searches/yr). The top 5 brands hold 69% of demand. Demand peaks in Nov–Dec. Verdict: Worth a look — 50/100.
Data updated Jul 26, 2026 · scored weekly · How we score niches
terrarium market data
- Units sold / yr
- 6K–8K
- avg 100–250/product
- Revenue / yr
- £158K–£211K
- units × avg price
- Conversion rate
- 1.0%
- Avg BSR
- #475
- Page quality
- 0%
- Prime
- 71%
- Sponsored
- 85%
- Out of stock
- 7.5%
- Avg brand age
- 35 months
- Avg seller age
- 189 days
Competition & brand share
The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.Brands
18 falling
Sellers
36
Top-5 brand share
69%
Top 20: 100%
Top-5 click share
49%
Top 20: 85%
Open market
26%
- PYEF CRAFTS37%
- Tropical Glass11%
- Root box8%
- Generic8%
- NCYP5%
- The Art of Succulents5%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -18.8% search growth over the last 90 days.Peak months: Nov, Dec · busiest ÷ quietest = 3.2×
Top terrarium search terms
- terrarium288K/yr
- terrarium kit136K/yr
- terrarium jar46K/yr
- terrariums26K/yr
- glass terrarium20K/yr
- terrarium kit with plants25K/yr
- large terrarium9K/yr
- plant terrarium12K/yr
- glass plant terrarium9K/yr
- glass terrarium for plants6K/yr
Top terrarium 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
DIY Terrarium Kit for Plants - Starter Set for Garden in Bottle - Self Sustaining Ecosystem - Plant Terrarium Kit with Jar Moss Soil Activated Charcoal Stones and Tools (Without Plants)
PYEF CRAFTS£20.474.4★950 rev
PYEF CRAFTS DIY Terrarium Kit for Plants Starter Set for Garden in Bottle SelfSustaining Ecosystem Supplies for Succulents Air Plants Fern Set without Jar (M) Without Plants
PYEF CRAFTS£7.994.3★610 rev
Root box *CLEARANCE Terrarium Plant Kit in scented giftbox | Succulents Bonsai Fittonia Cactus | Unique DIY GIFT for Summer XMAS Birthdays
Root box£9.794.3★1,119 rev
DIY Closed Terrarium Kit with 4 Live Plants & Bun Moss (H: 25cm) Large Glass Jar Indoor Garden Set with Cork Lid Self-Sustaining Ecosystem with Soil Layers & Guide Creative Gift for Home & Office
Tropical Glass£58.114.5★11 rev
PYEF CRAFTS DIY Terrarium Kit for Succulent Plants & Cactus - Starter Set with Glass Bowl Included - Make your Own Terrarium Kit with Jar Sand Soil Charcoal Stones and Tools (Without Plants)
PYEF CRAFTS£18.483.3★133 rev
Newest
by launch date
SUPVOX Glass Plant Terrarium Jar Thickened Borosilicate Succulent Planter Container Round Fish Bowl Vase and Hydroponic Display Canister with Vented Cork Lid for Moss Micro Landscape and Home Decor
SUPVOX£13.723 rev
Glass Plant Terrarium Container Wardian Case Indoor Small Succulent Planter with Door for Tabletop Decor DIY (4.3L x 4.3W x 4.9H)
LIMOR£17.2816 rev
GTSEEMUU Jumping Spider Enclosure Insect Terrarium Bug Cage 12 x 11 x 20 cm Acrylic Terrarium for Tarantula Snail Praying Mantis Frog and Small Reptiles
GTSEEMUU£8.81314 rev
PYEF CRAFTS DIY Terrarium Kit for Succulent Plants & Cactus - Starter Set with Glass Bowl Included - Make your Own Terrarium Kit with Jar Sand Soil Charcoal Stones and Tools (Without Plants)
PYEF CRAFTS£18.48133 rev
Jinymral Snail Terrarium Kit with Climbing Wall 11.22 x 7.87 x 6 Clear Small Animal House for Snails Caterpillars & Small Critters Includes 7 Climbing Accessories & Substrate
Jinymral£20.0957 rev
Trending
90-day click momentumSUPVOX Glass Plant Terrarium Jar Thickened Borosilicate Succulent Planter Container Round Fish Bowl Vase and Hydroponic Display Canister with Vented Cork Lid for Moss Micro Landscape and Home Decor
SUPVOX£13.724.6★
Jinymral Snail Terrarium Kit with Climbing Wall 11.22 x 7.87 x 6 Clear Small Animal House for Snails Caterpillars & Small Critters Includes 7 Climbing Accessories & Substrate
Jinymral£20.094.3★
Reptile Growth Mini Reptile Terrarium 12 x 7x 9 vivarium with Top Sliding Door Screen Ventilation for Small Fish Insect Snail Gecko Tarantula Bearded Dragon Jumping Spider Stick Insect.
Reptile Growth£20.544.6★
GTSEEMUU Jumping Spider Enclosure Insect Terrarium Bug Cage 12 x 11 x 20 cm Acrylic Terrarium for Tarantula Snail Praying Mantis Frog and Small Reptiles
GTSEEMUU£8.814.0★
DIY Large Open and Closed Terrarium Kit (Champagne Pebbles)
Generic£25.074.8★
What buyers say about terrarium
What buyers praise and complain about, mined from review topics.What buyers love
“Good quality”
“Good value for money”
“Lovely gift for Fathers Day”
“Great value and really clear instructions”
“Good size”
“Easy to set up”
“Just what I needed”
“sturdy”
“A complete kit”
“Well built and secure”
What buyers complain about
“Not fit for purpose”
“Picture deceiving”
“Not very good for the price”
“Not durable”
“Due to these not being waterproof”
“Ignore the negative reviews about the colour of the acrylic”
“Not enough ventilation”
“Not suitable for a small jumping spider as there are gaps mine escaped”
“Not enough White pebble to make as effect”
“I would still have been really disappointed because it's very cheap looking”
Top return reasons
Common questions
- Is terrarium profitable to sell on Amazon United Kingdom?
- The niche generates £173K/yr across 34 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -18.8%. Flapen's verdict: Worth a look (50/100).
- How competitive is the terrarium niche?
- 18 brands and 36 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 69% of demand.
- What do buyers complain about in terrarium?
- Top complaints mined from reviews: Size-Overall, Advertised Vs Actual Product, Value For Money. The return rate is 1.4%.
- When does demand for terrarium peak?
- Demand peaks in Nov–Dec; the busiest month runs 3.2× the quietest.
- What does it cost to enter the terrarium niche?
- Listings span £7.99–£66.27; the average listing price is £26.41 (sweet spot $15–$100). The average incumbent carries 350 reviews — the moat a new listing must climb.