Objects From the Future · No. 15

Ferrofluid Kit

For a curious person who wants the physics demo without the $60 sculpture.

Oddity 1 is familiar. 5 is genuinely strange.

A sealed display of magnetic liquid and two magnets, so someone can pull spikes out of a black puddle without a cleanup.

Three reasons

The liquid stays in the bottle. That is the difference between a gift and a stain.
Moving the magnet is the entire activity, and it does not get old immediately.
A step down in price from the Spike, and a step up from a magnet set with no liquid.

Gift for

Scientists Makers Coworkers Birthday Holiday Just because

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Opens the listing: STEM Source sealed ferrofluid bottle with two magnets. Affiliate link. As an Amazon Associate I earn from qualifying purchases. We don't display live prices. The photo shows this product.