Description
Glass tube 33 inches long with a cork piston riding on a stable wooden base
letting students explore induction
varying length isolating density as the single variable across materials
perpendicular pulley rod
Forensic Gun Shot Residue Presumptive Test Kit for 30 Tests Item Type_DNA Model Glass tube 33 inches longGun shot residue kit provides 30 presumptive tests for forensic analysis through chemical detection, firearm evidence, and crime scene investigation.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
