alginate molding powder
Skip itA small market ($58K/yr) — this niche doesn't clear our bar today.
Avg price
Incredible$24.42avg listing price — sweet spot $15–$100
Price range
Great$9.51–$73.76cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Great1.6%return rate — above 6% kills the launch gate
Conversion
Good4.6%search→purchase rate — share of searches ending in a sale
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Competition
Okay64%top-5 click share — leaders hold, buyers still browse
Brand share
Okay85%top-5 brand share — brands hold most of the demand
Review moat
Okay3,281.17avg incumbent reviews — the moat a new listing must climb
Growth
Bad-19.6%90-day search growth — must beat 0% to launch
Market size
Bad$58K$58K/yr · 52K searches
Competition
The top 5 products take 64% of clicks — established leaders, but buyers still shop beyond them.Brands
12 rising
Sellers
30
Top-5 brand share
85%
Open market
12%
- Perfect Craft31%
- Casting Keepsakes25%
- Cavex15%
- Falling in Art9%
- Smooth-On4%
- Luna Bean4%
- Open — no brand owns it (6 brands, 12%)
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 18 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Casting Keepsakes Luna Bean Alginate Molding Powder Refill for Hand Casting Kit - Non-Toxic Alginate Material 1 lb (450g) - Perfect for Anniversaries Couples Birthdays & Family Activities
Casting Keepsakes$20.124.5★2,274 rev

Cavex CleverCast Alginate Lifecast Molding Powder Premium Impression Casting Material 500 Grams
Cavex$20.094.4★124 rev

Perfect Mold Alginate Molding Material Non-Toxic Mold Making Powder for Life Casting Hand Casting Baby Footprints Face & Body Molds USA Made 1 lb Bag
Perfect Craft$19.224.3★431 rev

Casting Keepsakes Luna Bean Alginate Molding Powder Refill for Hand Casting Kit - Non-Toxic Fast Setting - 3 lb (1 350g) - Anniversaries Birthdays Family Activities Couples
Casting Keepsakes$39.504.5★2,274 rev

Perfect Cast Mold Casting Powder Fast-Curing Non-Toxic Water-Based Material for DIY Sculptures Jewelry Crafts & Models USA Made 1 lb Bag
Perfect Craft$15.954.6★1,338 rev
Newest
by launch date
Perfect Mold Alginate Molding Material Non-Toxic Mold Making Powder for Life Casting Hand Casting Baby Footprints Face & Body Molds USA Made 1 lb Bag
Perfect Craft$19.22431 rev

Perfect Cast Mold Casting Powder Fast-Curing Non-Toxic Water-Based Material for DIY Sculptures Jewelry Crafts & Models USA Made 1 lb Bag
Perfect Craft$15.951,338 rev

Falling in Art Alginate Molding Powder 1 Lb Hand Casting Kit Refill Non-Toxic Alginate Material for Craft Keepsake Anniversaries and Family Activities
Falling in Art$19.2912 rev

Sodium Alginate (4 Ounce / 113 Grams) Pure Sodium Alginate Powder Food Grade Powder for Thickening Perfect for Making Luxurious Caviar Spheres Desserts Meatloaves by Talsen Chemicals
Talsen Chemicals$9.5116 rev

ASK GRANDPA GOURMET COFFEES Clone A Willy Mold Powder Refill 3.3oz
ASK GRANDPA GOURMET COFFEES$20.1657 rev
Trending
90-day click momentum
Perfect Cast Mold Casting Powder Fast-Curing Non-Toxic Water-Based Material for DIY Sculptures Jewelry Crafts & Models USA Made 1 lb Bag
Perfect Craft$15.954.6★

Perfect Mold Alginate Molding Material Non-Toxic Mold Making Powder for Life Casting Hand Casting Baby Footprints Face & Body Molds USA Made 1 lb Bag
Perfect Craft$19.224.3★

Falling in Art Alginate Molding Powder 1 Lb Hand Casting Kit Refill Non-Toxic Alginate Material for Craft Keepsake Anniversaries and Family Activities
Falling in Art$19.294.5★

Perfect Cast Mold Casting Powder Fast-Curing Non-Toxic Water-Based Material for DIY Sculptures Jewelry Crafts & Models USA Made 2 lb Bag
Perfect Craft$17.044.6★

Perfect Mold Alginate Molding Material Non-Toxic Mold Making Powder for Life Casting Hand Casting Baby Footprints Face & Body Molds USA Made 1.5 lb Bag
Perfect Craft$24.204.3★
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Followed instructions”
“EASY TO USE”
“Family fun”
“Good buy for gift”
“The powder itself seemed good quality”
“As advertised”
“Worth it”
“was pretty simple once you follow the instructions”
“Fun craft material if you like keepsake projects or making molds”
“Looks durable”
What buyers complain about
“Worked terribly”
“My mothers' hands were left green when she touched this”
“Horrible instructions”
“It is expensive”
“Not easy to use”
“Hard as a rock”
“easy to break”
“its alright never rlly fully drys leaves white dust everywhere”
“The stuff never set”
“because the lack of heat”