
Geometric Stick Material2D & 3D Construction Set
The first photo is the maker's own. The other shots are illustrative.
Inv. no. NIE-019400
- Maker
- Nienhuis Montessori, since 1929
- Approval
- AMI
- Sticks
- Natural wood with colored finish
- Connectors
- Metal hardware
- EAN
- 8719924010331
Final price incl. VAT. Free delivery.
Advice, warranty and returns are handled by us.
Why it costs €364.90
Behind the price of the original are things you can check yourself.
AMI approval
The material is approved by the Association Montessori Internationale (AMI). Nienhuis has made Montessori materials since 1929.
A verifiable original
The EAN 8719924010331 is on the box. It is the maker's number, not ours.

Geometric Stick Material in a child's hands
Great for independent study, this Geometric Stick Material enables children to construct two- and three-dimensional geometric forms through concrete manipulation. The carefully organized compartments contain precisely built wooden sticks in graduated lengths with pre-drilled holes, paired with metal connectors, allowing students to build complex geometric structures while developing spatial reasoning and mathematical understanding.
Spatial Intelligence
Building three-dimensional structures develops spatial reasoning and visualization skills essential for geometry and engineering.
Mathematical Thinking
Hands-on construction of geometric forms provides concrete understanding of angles, shapes, and mathematical relationships.
Problem Solving
Planning and executing complex constructions develops logical thinking and systematic problem-solving approaches.
How to present it
Place the material on a large work mat with ample space. Organize stick compartments by length, keeping connectors in their designated section. Ensure the child has completed preliminary work with geometric solids and geometric cabinet.
- 1Begin with constructing familiar 2D shapes: triangle, square, pentagon
- 2Progress to 3D forms, beginning with a tetrahedron using triangular faces
- 3Explore the relationship between 2D faces and 3D solids by building a cube
- 4Challenge students to create more complex polyhedra like octahedrons or dodecahedrons
- 5Investigate architectural forms: pyramids, prisms, and compound structures
3 tips for parents
- Observe geometric structures in your environment: buildings, bridges, and playground equipment
- Encourage your child to sketch their constructions before and after building
- Provide time for open-ended exploration without predetermined outcomes
Accessories

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What's in the Box
- Wooden sticks: Multiple lengths with pre-drilled holes
- Metal connectors: Various types for flexible construction
- Storage tray: Compartmentalized wooden organizer
Size and material
| Packaging | 52 × 33 × 7 cm |
| Sticks | Natural wood with colored finish |
| Connectors | Metal hardware |
| Storage | Wooden compartmentalized tray |
| Recommended Age | 6-12 years |
Care
Wipe with damp cloth; ensure metal parts remain dry
Frequently Asked Questions
What geometric shapes can children create with this material?
Children can construct a wide variety of 2D shapes (triangles, squares, pentagons, hexagons, polygons) and 3D forms (cubes, pyramids, prisms, tetrahedrons, octahedrons, dodecahedrons). The graduated stick lengths and flexible connectors allow exploration of both regular and irregular geometric structures.
How does this material support the Montessori mathematics curriculum?
The Geometric Stick Material bridges sensorial exploration with mathematical concepts by providing concrete experiences with angles, edges, vertices, faces, and spatial relationships. It prepares children for advanced geometry work including area, volume, and the study of polyhedra while developing critical spatial reasoning skills.
What are the stick lengths and how many pieces are included?
The set includes precision-crafted wooden sticks in multiple graduated lengths, typically ranging from 2cm to 20cm, with pre-drilled holes at regular intervals. Each compartment contains specific quantities needed for standard geometric constructions, along with sufficient metal connectors to create multiple structures simultaneously.
How does this differ from other geometric construction materials?
Unlike rigid geometric solids, this material allows children to physically construct and deconstruct shapes, experiencing the relationship between 2D and 3D forms. The pre-drilled holes ensure accurate angles and proportions while the metal connectors provide stable yet flexible joints for exploring geometric principles through manipulation.
What skills do children develop through working with this material?
Children develop spatial intelligence, problem-solving abilities, fine motor coordination, and mathematical thinking. They gain concrete understanding of geometric properties, symmetry, congruence, and similarity while building concentration, precision, and the ability to visualize and mentally rotate three-dimensional objects.
Product safety
Manufacturer: Nienhuis Montessori, Anders Celsiusstraat 15, 7442 PB Nijverdal, Netherlands
Geometric Stick Material