Propterites of matter: what oobleck, Th kit has been designed to introduce young students (K-4) to the concepts of matter in a fun, safe, hands-on way, Kit includes: 1000g Oobleck powder, 10 pcs Solid samples, 30 Holding trays, 10 Testing spatulas
Determination of the Hardness of Water, Kit Includes:4x500 ml EDTA Solution, 0.005M, 2x200 ml Buffer Solution, 2x15 ml EBT Solution (Eriochrome Black, 0.1%) UN1219