What pigment should i use to make it black? i thinking making mugs, bowls, etc, so need to be non toxic. also, it needs to be sealed once hard?

There is no way to seal this that will be food-safe and suitable for functional ware. Dishes MUST be made using kiln-fired clay and dinnerware safe glazes.

Using this for a class -- would this be enough for 15 smallish projects?

Think of a pound a clay in terms of sticks of butter. One pound of clay would be equal to four sticks of butter. Do you think that the students would need more or less than one stick of butter for their project? It could be done with the two pound container, but the 5 pound option would give your students a little more clay to work with.

Wanting to use this as a base for a wire tree....is it heavy enough to support a heavy wire tree?!

My opinion is: it would depend on how many pounds of wet clay you use as a base would depend on how much weight it will hold and how spread out you were to make the base. I would say yes if you were to put the same wire in the base and make the base wide enough to support the weight of the tree as the wire you are using to make the tree.

would this be suitable for making basic clay marbles?

This one of the best clay available.. totally worth.. Yes it take - water, oil and ceramic paint.

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AMACO Stonex™ Self-Hardening Clay, 5 lbs.

Product ID: 2645993

Details

Age Range (Description)
Ages 13+
Brand
AMACO
Color
Pale White
Educational Objective
Creative Skill
Included Components
5 lbs. of Clay
Item Weight
3 pounds

💧Water-activated softening

⚖️5 lbs premium clay weight

🖌️Paint-ready surface

₨43149

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Description

🎨 Sculpt your vision, no kiln required—create boldly, dry effortlessly!

FLEXIBLE WORK TIME - Use water to soften as you sculpt, extending your creative flow.
CUSTOMIZABLE FINISH - Compatible with Rub n Buff, acrylics, temperas & more for personalized artistry.
PROUDLY MADE IN USA - Crafted domestically with quality you can trust and support.
READY TO USE MOIST CLAY - Skip prep—jump straight into creativity with perfectly moist, pliable clay.
SELF HARDENING DURABILITY - Air dries to a rock-solid finish—no kiln needed, no fuss.

AMACO Stonex™ Self-Hardening Clay is a 5 lb package of ready-to-use, moist white clay that air-dries into a durable, paintable surface. Ideal for ages 13+, it allows water-softening during work and supports a variety of decorative finishes. Made in the USA and ASTM D4236 compliant, it’s perfect for professional and hobbyist sculptors seeking convenience without compromising quality.

Specifications

ASIN	B000FA1JZU
Age Range Description	Ages 13+
Best Sellers Rank	#158,090 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #646 in Pottery & Modeling Clays
Brand Name	AMACO
Color	Pale White
Customer Reviews	4.4 4.4 out of 5 stars (985)
Educational Objective	Creative Skill
Global Trade Identification Number	00039672473386
Included Components	5 lbs. of Clay
Item Dimensions	3.7 x 4.25 x 6 inches
Item Type Name	Clay - Modeling
Item Weight	3 pounds
Manufacturer	AMACO
Manufacturer Part Number	AMA47338C
Material Type	Clay
Model Name	Amaco
Model Number	AMA47338C
Number of Items	1
Other Special Features of the Product	Air Drying
Recommended Uses For Product	Modeling
UPC	077348941548 720880399185 396724733868 046944798986 039672473386
Unit Count	80 Ounce
Warranty Description	No

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₨43149

Duties & taxes included

In stock

Sold byAmazon Sri LankaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Sri Lanka.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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