Cube, Individual cubes for density experiments, Available in eight different materials: acrylic, aluminum, brass, copper, nylon, polypropylene, PVC, and steel, Each material is represented by a 1/2inch, 1inch and 11/2inch cube
Distilled Water Wash Bottle, Wide Mouth, 1 Color, Material: LDPE, Self venting, Performance Easy to read labeling, including chemical information and safety warnings, Clear screw cap for easy identification, Size: 1000ml