water table plug
Skip itA small market ($34K/yr) — this niche doesn't clear our bar today.
Review moat
Incredible87.3avg incumbent reviews — the moat a new listing must climb
Growth
Incredible+123.7%90-day search growth — must beat 0% to launch
Returns
Great1.8%return rate — above 5% kills the launch gate
Conversion
Good6.4%search→purchase rate — share of searches ending in a sale
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Price range
Okay$6.83–$20.28cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Okay$9.56avg listing price — sweet spot $15–$100
Competition
Bad85%top-5 click share — a locked-up shelf
Brand share
Bad95%top-5 brand share — brand-locked demand
Market size
Bad$34K$34K/yr · 55K searches
According to Flapen's Amazon United States niche tracking, water table plug is a $34K/yr Amazon United States market (55K searches/yr). The top 5 brands hold 95% of demand. Verdict: Skip it — 46/100.
Data updated Jul 24, 2026 · scored weekly · How we score niches
water table plug market data
- Units sold / yr
- 3K–4K
- avg 100–250/product
- Revenue / yr
- $29K–$38K
- units × avg price
- Conversion rate
- 6.4%
- Avg BSR
- #1,148
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 100%
- Out of stock
- 4.2%
- Avg brand age
- 29 months
- Avg seller age
- 210 days
Competition & brand share
The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack.Brands
7 falling
Sellers
8
Top-5 brand share
95%
Top 20: 100%
Top-5 click share
85%
Top 20: 100%
Open market
2%
- JTJEI64%
- Eiszhjk14%
- SeDeplacer10%
- Resflycheng5%
- Sinbana3%
- Aglacynorath2%
- Open — no brand owns it (1 brand, 2%)
Top water table plug search terms
- step 2 water table replacement parts17K/yr
- water table replacement parts13K/yr
- water table plug8K/yr
- step 2 water table plug6K/yr
- water table plug replacement6K/yr
- step 2 water table accessories replacement3K/yr
- plug for water table2K/yr
Top water table plug 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
2Pcs Water Table Plug Replacement Compatible with Step 2 Rubber Water Table Stopper Accessories Tapered Drain Plug for Leak-Proof Seal Widely Used for Test Tubes and Plant Pots
JTJEI$6.974.6★48 rev

4Pcs Water Table Plug Replacement Compatible with Step 2 Solid Rubber Stopper Black Tapered Shaped Drain Plug Good Sealing for Hold Water Widely Used in Test Tubes and Pots for Plants
Eiszhjk$7.934.7★39 rev

2Pcs Water Table Plug Replacement for Step 2 Silicone Water Table Stopper Accessories Leak-Proof Seal Plug Widely Used for Test Tubes and Plant Pots
JTJEI$6.984.2★11 rev

SeDeplacer 1inch Rubber Plug/Water Table Plug Compatible with Step 2 Pool Fits for Big Splash Pool & Little Tikes Pools Only for The Hole to Be Pluged is 1-Inch Wide
SeDeplacer$20.284.5★11 rev

2Pcs Water Table Plug Replacement Compatible with Little Tikes Silicone Water Table Stopper Accessories Drain Plug for Leak-Proof Seal for Waterpark Play Table Parts
JTJEI$6.905.0★8 rev
Newest
by launch date
Sinbana 2pcs Water Table Plug Replacement for Step 2 Silicone Stoppers Tapered Water Table Drain Plug Accessories for Tubes Plant Pots Test Flasks (Black)
Sinbana$6.831 rev

2Pcs Water Table Plug Replacement Compatible with Little Tikes Silicone Water Table Stopper Accessories Drain Plug for Leak-Proof Seal for Waterpark Play Table Parts
JTJEI$6.908 rev

2Pcs Water Table Plug Replacement for Step 2 Silicone Water Table Stopper Accessories Leak-Proof Seal Plug Widely Used for Test Tubes and Plant Pots
JTJEI$6.9811 rev

2Pcs Water Table Plug Replacement Compatible with Step 2 Rubber Water Table Stopper Accessories Tapered Drain Plug for Leak-Proof Seal Widely Used for Test Tubes and Plant Pots
JTJEI$6.9413 rev

Aglacynorath 4Pcs Water Table Plug Replacement Solid Rubber Tapered Drain Stopper Compatible with Step 2 Leakproof Plug for Test Tubes Plant Pots
Aglacynorath$7.490 rev
Trending
90-day click momentum
2Pcs Water Table Plug Replacement Compatible with Step 2 Rubber Water Table Stopper Accessories Tapered Drain Plug for Leak-Proof Seal Widely Used for Test Tubes and Plant Pots
JTJEI$6.944.2★

2Pcs Water Table Plug Replacement for Step 2 Silicone Water Table Stopper Accessories Leak-Proof Seal Plug Widely Used for Test Tubes and Plant Pots
JTJEI$6.984.2★

Sinbana 2pcs Water Table Plug Replacement for Step 2 Silicone Stoppers Tapered Water Table Drain Plug Accessories for Tubes Plant Pots Test Flasks (Black)
Sinbana$6.835.0★

2Pcs Water Table Plug Replacement Compatible with Little Tikes Silicone Water Table Stopper Accessories Drain Plug for Leak-Proof Seal for Waterpark Play Table Parts
JTJEI$6.905.0★

Aglacynorath 4Pcs Water Table Plug Replacement Solid Rubber Tapered Drain Stopper Compatible with Step 2 Leakproof Plug for Test Tubes Plant Pots
Aglacynorath$7.490.0★
What buyers say about water table plug
What buyers praise and complain about, mined from review topics.What buyers love
“Great fun”
“they fit snugly”
“Assembly was easy”
“Exactly what I needed”
“Great assortment”
“The material is durable”
“Good price”
“Perfect for water tables plugs”
“It doesnt leak at all”
“Keeps water in”
What buyers complain about
“Smaller then expected”
“not very strong”
“It doesn't seem incredibly durable”
“So cheap”
“Busted up trying to put together”
“they are not leakproof”
“pricing seems high”
“CHOKING HAZARD”
“down on the water table so it doesnt hold the piece to the slide well”
“And then the balls wouldn't even go down the slide even with that water going”
Top return reasons
Common questions
- Is water table plug profitable to sell on Amazon United States?
- The niche generates $34K/yr across 10 tracked products. 3 of 8 products launched in the last 360 days are still selling. 90-day search growth is +123.7%. Flapen's verdict: Skip it (46/100).
- How competitive is the water table plug niche?
- 7 brands and 8 sellers compete. The top 5 products take 85% of clicks and top 5 brands hold 95% of demand.
- What do buyers complain about in water table plug?
- Top complaints mined from reviews: Size-Overall, Strength, Durability. The return rate is 1.8%.
- What does it cost to enter the water table plug niche?
- Listings span $6.83–$20.28; the average listing price is $9.56 (sweet spot $15–$100). The average incumbent carries 87 reviews — the moat a new listing must climb.