OrthoBones* Model, standard Ulna Left, hard cortical bone and softer, spongy bone (spongiosa), Anatomically accurate, Realistic haptics, Simple handling, Two-component structure, Excellent results, Dimensions: 28 x 4 x 3 cm, weight: 0.023 kg
WaterSafe* Pesticide Test, one-step test kit detects most common pesticides used in the U.S, To check harmful levels of Atrazine & Simazine,EPA Standards, Results in 10 minutesNo Mixing or Measuring, Contents: Pesticide Test Strip, Pesticide Test Vile, Pipette