ultracal 30
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Avg price
Great$50.18avg listing price — sweet spot $15–$100
Returns
Great1.5%return rate — above 6% kills the launch gate
Review moat
Good506.56avg incumbent reviews — the moat a new listing must climb
Price range
Good$17.91–$131.11cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Good+25.9%90-day search growth — must beat 0% to launch
Conversion
Good4.5%search→purchase rate — share of searches ending in a sale
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Competition
Bad85%top-5 click share — a locked-up shelf
Market size
Bad$33K$33K/yr · 15K searches
Brand share
Bad100%top-5 brand share — brand-locked demand
Competition
The top 5 products capture 85% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 rising
Sellers
6
Top-5 brand share
100%
Open market
0%
- Laguna57%
- USG30%
- Falling in Art6%
- Capital Ceramics5%
- CASTDIY3%
- Open — no brand owns it (0%)
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 9 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
ULTRACAL 30 Gypsum Cement - Plaster - for Dot Mandala Mold Making and Casting Ideal for Latex Molds! Takes Excellent Detail (10 lb)
Laguna$35.614.6★961 rev
Ultracal 30 Gypsum Cement 2.5 lbs / 1.13 kg - Plaster - For Mold Making and Casting Ideal for Latex Molds! Takes Excellent Detail
USG$21.564.5★311 rev
10 Lbs ULTRACAL 30 Gypsum Cement - Plaster - for Moldmaking and Casting Ideal for Latex Molds! Takes Excellent Detail
USG$32.874.7★187 rev
Falling in Art 5 LB Plaster of Paris Hand Mold Casting Kit Powder Gypsum Cement Pottery & Ceramic Plaster Powder for Crafts Sculpture Diorama and Home Decor
Falling in Art$18.824.5★2,690 rev
ULTRACAL 30 Gypsum Cement - 25 LBS - Mold Making and Casting Plaster Ideal for Latex Molds! Takes Excellent Detail
USG$63.634.8★35 rev
Newest
by launch date
CASTDIY Casting Powder 1 kg Zero Bubbles Super White Super Hard Odorless Plaster Gypsum Powder for Silicone Molds 30 Minutes Demold Suitable for Handicrafts Decorations Plaster Statues DIY
CASTDIY$17.9192 rev
10 Lbs ULTRACAL 30 Gypsum Cement - Plaster - for Moldmaking and Casting Ideal for Latex Molds! Takes Excellent Detail
USG$32.87187 rev
ULTRACAL 30 Gypsum Cement - 25 LBS - Mold Making and Casting Plaster Ideal for Latex Molds! Takes Excellent Detail
USG$63.6335 rev
40 Lbs ULTRACAL 30 Gypsum Cement - Plaster - for Moldmaking and Casting Ideal for Latex Molds! Takes Excellent Detail
USG$99.8220 rev
ULTRACAL 30 Gypsum Cement - Plaster - for Mold Making and Casting Ideal for Latex Molds! Takes Excellent Detail (50 lb) Ships in Two 25 Pound Boxes
Laguna$131.11100 rev
Trending
90-day click momentum10 Lbs ULTRACAL 30 Gypsum Cement - Plaster - for Moldmaking and Casting Ideal for Latex Molds! Takes Excellent Detail
USG$32.874.7★
Ultracal 30 Gypsum Cement 2.5 lbs / 1.13 kg - Plaster - For Mold Making and Casting Ideal for Latex Molds! Takes Excellent Detail
USG$21.564.5★
CASTDIY Casting Powder 1 kg Zero Bubbles Super White Super Hard Odorless Plaster Gypsum Powder for Silicone Molds 30 Minutes Demold Suitable for Handicrafts Decorations Plaster Statues DIY
CASTDIY$17.914.6★
ULTRACAL 30 Gypsum Cement - Plaster - for Dot Mandala Mold Making and Casting Ideal for Latex Molds! Takes Excellent Detail (10 lb)
Laguna$35.614.6★
40 Lbs ULTRACAL 30 Gypsum Cement - Plaster - for Moldmaking and Casting Ideal for Latex Molds! Takes Excellent Detail
USG$99.824.9★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +25.9% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Great quality”
“easy to use”
“Best $ can buy”
“as described”
“Works great, made a bunch of little desk geese”
“Its very durable for painting and kid hands”
“is a good size”
“Sets up super fast”
“Quick, easy, and great results”
“Its very durable for painting and kid hands”
What buyers complain about
“Over priced”
“Didnt work for me”
“Unfortunately, the quality has not been consistent”
“No directions on the mixing ratio or anything”
“Not as advertised”
“However, with my second and third purchases, the powder became extremely thick as soon as it touched the water and formed lots of lumps”
“definitely feels heavy like cement”
“To fast to set”
“and doesn't take paint worth a crap”