A Guide to Geofix / Geoshapes: The Ultimate Geometry Construction Syst – Edu-21

Hands-on, creative, and endlessly fascinating, Geofix / Geoshapes is one of the most effective ways to teach geometry, measurement, STEM concepts, and spatial reasoning. At Edu-21, we proudly stock a wide range of Geofix / Geoshapes and Mini Geofix sets, perfect for classrooms from Early Years right through to secondary school.

Whether you’re teaching polyhedra, nets, tessellations, or simply fostering problem-solving and creativity, Geofix is a classroom favourite for good reason.

Here’s how teachers and parents are using Geofix to bring maths, STEM, creativity, and design to life for children.

Teaching 2D Shape Properties

Before students can understand 3D objects, they need to see how 2D shapes connect, repeat, and transform. Geofix pieces are ideal for introducing: Sides and vertices, Regular vs irregular shapes, Symmetry, Tessellations & Angle recognition.

Small Equilateral Triangles make perfect repeating patterns and help students identify equal angles.
Squares & Rectangles help compare right angles and explore parallel lines.
Pentagons & Hexagons are perfect for demonstrating how some shapes tessellate easily, while others don’t.

For Early Years, teachers often begin lessons by asking children to sort shapes, create mosaics, or copy simple patterns using the pieces.

Building 3D Structures Using “Nets”

One of the most powerful things about Geofix is how easily students can create 3D solids by snapping together 2D nets and folding them into shape. This hands-on process helps students understand: faces, edges and vertices, surface area, the difference between 2D and 3D, relationships between shapes, Platonic & Archimedean solids.

View the gallery at the bottom of this page for some inspiration of 3D structures to create, including pyramids, octahedrons, dodecahedrons or cubes.

Exploring Advanced Geometry: Domes, Spheres & Polyhedra

For upper primary and secondary learners, Geofix opens the door to higher-level geometric concepts such as:

geodesic domes
anti-prisms and prisms
Euler’s law
polyhedra classification
structural engineering
curved surfaces created from straight edges

One of the most popular sets is the Geodesic Sphere Pack. This set allows students to build their own geodesic dome, a brilliant introduction to the work of Buckminster Fuller and the mathematics behind curved structures.

Cooperative Learning: Group Builds & STEM Challenges

Geofix is perfect for group challenges, including:

“Build the tallest structure that can stand on its own.”
“Create a shape with exactly 12 faces.”
“Design a dome that can support a book.”
“Build a net of a shape someone else can identify.”

A Resource That Grows With Students

The beauty of Geofix is that it’s truly multi-age:

Kindy & Early Years → sorting, matching, building confidence with shape
Primary → nets, basic 3D solids, tessellations, angles
Upper Primary & Secondary → polyhedra, domes, prisms, Euler’s Law, STEM engineering

Teachers say students never "grow out" of Geofix - the tasks simply become more challenging.

What Makes Geofix / Geoshapes Special?

All interlocking and compatible
Made from durable, non-toxic polycarbonate
Pieces snap together securely - no fragile clips or springs
Supports 2D and 3D construction, from simple nets to advanced polyhedra
Ideal for STE(A)M, maths, design, engineering, and creative play
Encourages teamwork, problem-solving and open-ended exploration

Geofix is more than a construction toy - it’s one of the most versatile and curriculum-aligned geometry tools available today. From basic shape recognition to advanced polyhedra, it allows students to learn by doing, experimenting, building, and problem-solving.

If you're ready to bring more hands-on geometry into your classroom, explore the full range below:

👉 Shop all Geofix & Geoshapes