9-Piece Material Density Cube Set with Wooden Storage Box Entomology & Zoology_Zoology Models with a 6cm cylinder extending

with a 6cm cylinder extending to 16cm overall for suspending submerged specimens in the bucket

Measures specific gravity with a complete kit: 1N/100g dynamometer

Seven hand-painted removable parts expose atria

closing when a magnet is brought near to introduce magnetic-actuated switching alongside hand-operated switches

Five-ohm fixed resistor in an ABS module with 4mm sockets

9-Piece Material Density Cube Set with Wooden Storage Box Entomology & Zoology_Zoology Models with a 6cm cylinder extendingNine material 1 inch cube set spanning brass, iron, copper, aluminum, hardwood, softwood, nylon, PVC, and acrylic in a foam lined wooden case for density versus material investigations.