Building shapes for casting? Or art? Warhammer or whatever?!… «Green Stuff» Blue/Yellow Epoxy Putty is a creative and versatile modeling product with a long expiration date of 2027. This 20-minute putty is perfect for developing creative skills, dexterity, and hand-eye coordination. Made by the trusted brand Kneadatite, this product comes in easy-to-use bars that can be shaped into different forms. The blue and yellow color combination adds a fun and vibrant touch to your projects, making it ideal for various artistic endeavors. Made in the United States, this putty is lightweight at 3.5 oz and compact in size, making it convenient for on-the-go use.