What size is the cylindrical hole in the center of the cube?

1/2". The device comes with a magnet to to fit into the hole. A 1/2" by 3" cow magnet work fine as well.

What is the maximum size magnet that will fit in the tube?

Ours came with a three (3") inch cow magnet. I bought extras in case one gets lost as they do. The device works great with students demonstrating magnetic fields in 3D. Hope this is useful. Richard

What is the ID of the tube?

A three inch long 1/2" dia cow magnet fits perfectly. It also comes with its own cow magnet. 0.5'is the ID of this device.

American Scientific Magnetic Field Cube

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Description

🧲 Unlock the invisible forces shaping your world—magnetism made mesmerizing!

360 FIELD VISIBILITY - Observe magnetic patterns from every angle effortlessly.
MULTI MAGNET INTERACTION - Experiment with multiple magnets simultaneously for dynamic learning.
COMPACT PORTABLE DESIGN - Perfect 3" size fits on any desk or executive shelf.
CLASSROOM READY TRANSPARENCY - Clear acrylic cube enables engaging overhead demos.
MESS FREE MAGNETIC EXPLORATION - No stray filings—clean science, clean desk.

The American Scientific Magnetic Field Cube is a 3-inch clear acrylic cube filled with iron filings suspended in solution, allowing users to visualize magnetic fields in a mess-free, interactive way. Designed for hands-on learning, it supports multiple magnets and overhead projection, making it ideal for classroom demonstrations or executive desks. Despite some concerns about material durability, it remains a top choice for science education and magnetic exploration.

Specifications

ASIN	B076P3MR67
Best Sellers Rank	#146,935 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #51 in Science Education Magnets & Magnetism Kits
Customer Reviews	3.8 3.8 out of 5 stars (20)
Is Discontinued By Manufacturer	No
Item Weight	15.8 ounces
Manufacturer	American-Scientific
Manufacturer recommended age	0 - 12 years
Product Dimensions	4.5 x 4 x 4.5 inches

Reviews

P**N

Leaking

Its leaking

20.05.2025

C**R

The image is deceptive at best

This could have been a beautiful toy... alas, the picture used to sell it is, at best, deceptive. The cube's material is a cheap acrylic that gets scratched by looking at it and, worse, there is much, much less metal filling than the picture leads you to believe. This is not worth half its current selling price. Shame.

26.10.2022

C**S

Don't buy

Barely had it a day and it leaked all over my desk and clothes. Very dissapointed.

19.09.2023

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