What Are Rare Earth Element Cubes and Where to Buy Them?

TL;DR: Rare Earth Element Cubes: A Collector's Guide

Rare earth element cubes are acrylic cubes incasing elements like Neodymium and Europium, often used for science, décor, or education.
These elements are essential in tech devices (phones, EVs, LEDs) and are prized for their rarity and visual appeal.
Collecting cubes is a hands-on way to explore chemistry, perfect for students, teachers, and enthusiasts.
Start with eye-catching elements like Bismuth or Uranium, and choose high-purity, well-labeled samples.
EngineeredLabs.com is the top recommended source, offering high-quality cubes and display options.

What Are Rare Earth Element Cubes?

Rare earth element cubes are acrylic cubes incasing elements like Neodymium and Europium, often used for science, décor, or education. 50.8 mm or 76.2 mm cubes.

Why Are Rare Earth Elements So Special?

Rare earth elements are critical in modern technology. You’ll find them in:

Smartphones
Electric vehicles
Magnets and lasers
LED screens and medical imaging equipment

Despite the name, many rare earth elements are relatively abundant in Earth’s crust, they’re just difficult and expensive to extract in pure form.

Because of their vital role in technology and scarcity in pure form, rare earth cubes are highly sought after by collectors and educators.

Benefits of Starting a Periodic Table Cube Collection

If you’ve ever been fascinated by the periodic table, turning it into a visual experience is a game-changer. Here’s why collectors and chemistry fans are drawn to building full element collections:

1. Visual and Tactile Learning

Handling real element cubes creates a deeper connection than reading names on a chart.

2. STEM Education Tool

These collections are popular in schools and universities as physical aids for teaching atomic structure, bonding, and materials science.

3. Unique and Artistic Displays

A full periodic table of cubes makes for a stunning piece of décor, whether displayed on a wall-mounted case or neatly arranged in a glass box.

How to Start Your Cube Collection

If you’re looking to begin your periodic table collection or give one as a gift, here are a few tips:

Choose the Right Size:

2-inch ( 50.8 mm) cubes are more affordable and great for compact displays.

3-inch (76.2 mm) cubes provide better visual impact and weight but come at a higher cost.

Pick Trusted Materials:

Look for high-purity samples (typically 99.9%+) for scientific accuracy.
Avoid cheap imitations that are merely coated blocks.

Start with Eye Catching Elements:

There are some really breathtaking elements that you can own! Here is our recommendation to start:

Where to Buy Rare Earth Element Cubes

Finding a trustworthy source is critical when investing in pure element samples. Here are the top three places to buy element cubes:

1. Engineered Labs

EngineeredLabs.com is a leading supplier of high-quality metal element cubes, including a growing library of rare earth metals. Each cube is precisely machined, labeled, and available in 2-inch cubes and some in 3-inch cubes.

Features:

Individually sold or available in bundles
Rare earth options like Yttrium, Neodymium, Gadolinium
Gift-friendly packaging and display cases

2. Etsy & eBay Verified Sellers

For budget options or smaller bundles, you’ll find some reputable sellers on platforms like Etsy or eBa, but always verify authenticity before purchasing.

How to Display Your Periodic Table Cube Collection.

The way you display your element cubes can elevate the entire experience. Here are some options:

Acrylic Display Cases – with compartments for each element
Magnetic Shelving – minimalist and clean for showing off just your favorites
Custom Periodic Table Frames – shaped to match the periodic table layout

For a fully custom feel, some sellers (like Engineered Labs) offer modular display cases that grow as your collection expands.