New
first run, Christmas 2026
4
sold this month
2–4 days
to ship, tracked
desk Ships within 2–4 business days
Ferrofluid Bottle
Black liquid that spikes and dances when you bring the magnet near. Desk hypnosis.
· 4 bought this month
$21.99Free shipping over $45.00 · or $4.95
1
Secure checkout by Stripe
Order todayNov 3
Ships byNov 9 · tracked
- ✓ Returns through Jan 25, 2027
- ✓ Tracking number by email when it ships
- ✓ No prices in the box
- ✓ Order by November 26 for Christmas
What you get
- Glass bottle + 2 magnets
- Spikes and follows the magnet
- Keep sealed; it stains
- Ages 12+
Shipping & returns
Ships from our overseas warehouse within 2–4 business days, duties included, tracked door to door. Order by November 26 for Christmas. Unused returns accepted through January 25, 2027. Details.
Why it's a stocking hit
A clear glass bottle of ferrofluid, the magnetic liquid from physics labs, with two magnets. Hold a magnet to the glass and the black fluid climbs the wall and bristles into spikes; move it and the spikes follow. Comes boxed with the magnets.