Sealed bottle of black ferrofluid liquid with two magnets — Plate 1 of 1№ 1067-N

D-04 · Desk Weird№ 1067-N

STEM Source Ferrofluid Kit

Liquid metal that grows spikes on command. Science, but make it unsettling.

A sealed bottle of black ferrofluid and two magnets to boss it around with. The desk ornament that looks faintly alive.

Price when filed: $21.99
Bracket: $15 – $30
Filed: Aug 3, 2026

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