Obliterase All-Purpose Lab Cleaner for Dirt, Grime, DNA and RNA, 32oz Spray Bottle Material_Mesh and mechanical advantage studies in

and mechanical advantage studies in physics

resisting chemical attack while maintaining stable rotation on laboratory stir plates

carrying up to 88 lbs on a 9

Three-level wooden tower stands 22 inches tall with three 10-inch base plates compatible with major building-brick brands for stacked construction play

Obliterase All-Purpose Lab Cleaner for Dirt, Grime, DNA and RNA, 32oz Spray Bottle Material_Mesh and mechanical advantage studies inUsed to remove dirt, grime, DNA, DNase, and RNase from labware and surfaces ahead of PCR work, this 32oz spray bottle leaves no residue that would interfere with enzymatic reactions.