Acetone Solvent Cylinder (Polly's Formula)

Polly’s acetone-based solvent is the moonbase crew’s only known weapon against the Cybermen. Ben fills the glass cylinder with this corrosive liquid, which will dissolve the Cyberman’s chest unit upon impact. The solvent’s effectiveness is proven, but its delivery is the challenge—it cannot be sprayed in the vacuum, so it must be carried manually. This object is the heart of the plan, the one thing that can turn the tide against the Cybermen. Its presence in the scene underscores the high stakes: without it, the Cybermen would be unstoppable, and Earth would be doomed. The solvent’s role is both a scientific solution and a narrative lifeline, representing hope in the face of overwhelming odds.

The solvent-filled glass cylinder is the improvised weapon Ben uses to exploit the Cybermen’s vulnerability to acetone. He hurls it at the Cyberman’s chest unit, shattering the glass and releasing the corrosive vapor that begins dissolving the Cyberman’s metal plating. The cylinder’s sturdy glass construction ensures it survives handling until the targeted strike, where it fulfills its critical role in disabling the Cyberman. Its use is a testament to human ingenuity in the face of overwhelming mechanical threat.