*Class Kit Shown (13-104)Refill: Chemical PropertiesSKU: 13-104RContact Us to PurchaseKit ContentsCopper SulfateAmmonium HydroxideAcetic AcidSodium HydroxideSodum BicarbonateHydrochloric AcidSodium CarbonateSet of UnknownsPhenolphthalein Indicator