This kit includes (10) lbs of our Quick Cast Sand Casting Clay, and a 2-piece Cast Iron Mold Flask Frame. Our Quick Cast is an ultra-fine, oil-bonded and pre-mixed moldable clay/sand mixture that allows you to cast highly detailed silver, gold, and copper materials. This method allows you to virtually duplicate dimensional objects (such as ancient coins, toys, wax, wood, plastics, etc.) with gold, copper, bronze, or silver using this reusable clay. Great for jewelry making. The molds can be made from objects composed of wood, wax, epoxy, plastics, and metal. Quick Cast Sand sand is a cost-effective way to cast your items without the need for expensive equipment. Safety First: Always wear heat-resistant gloves and face protection. Intended for adult use only. Not recommended for designs with undercuts. This is a Delft Clay alternative. The mold flask is sturdy cast iron vessel that is ideal for use with our Quick Cast Sand Casting Clay. Measures: 4-3/4" x 3" x 2". Safety First: Always wear high heat-resistant gloves and face protection. Intended for adult use only. Please contact us with any questions. Thanks for looking!The mold flask is a sturdy cast iron vessel which is ideal for use with our Quick Cast Sand Casting Clay. Allows you to cast highly detailed silver, gold, bronze, copper, and more. Includes: (10) lbs of our Quick Cast Sand Casting Clay, and a 2-Piece Cast Iron Mold Flask Frame.Item Dimensions LxWxH: 10 x 8 x 6 inches. Educational Objective: Dexterity, Hand-Eye Coordination, Creative Skill. Recommended Uses For Product: Modeling. Item Weight: 10 Pounds. Material: Cast Iron, Copper. Age Range (Description): Adult. Color: Bronze. Brand: PMC Supplies LLC. Date First Available: May 10, 2019. Best Sellers Rank: #36,653 in Arts, Crafts & Sewing. Customer Reviews: 4.3 out of 5 stars 115 ratings 4.3 out of 5 stars. Country of Origin: USA. : B07RRCRFQW. Manufacturer: PMC Supplies. Item Weight: 10 pounds. Product Dimensions: 10 x 8 x 6 inches.