Midwest Products Co. Handprint Keepsake Party Pack 10/Pkg- Milestones-Handprint Keepsake Party Pack. Perfect for classrooms&#44; kid"s parties&#44; and more. This party pack makes ten 6 x 6in handprint plaques with no mixing or baking required. This Package contains ten 11 oz. Packages of white non-toxic air dry clay&#44; ten plastic molds&#44; Designed to fit child hands up to approximately 6 years old.