Demo Dose® Multi-Strength Powder - 2 g by Nasco Healthcare $4.95 PN01047 Demo Dose® Multi-Strength Powder - 2 g / PN01047 / Cart Title Demo Dose® Multi-Strength Powder - 2 g Product ID PN01047 CheckoutType Cart Add to cart Designed to teach calculation of different strengths from a single vial based on prescriber order. 10 ml vial with yellow powder. For instructional use only. Not for human or animal use.