Brown Stair PrismIndividual 20×1×1cm Replacement Piece
The first photo is the maker's own. The other shots are illustrative.
Inv. no. NIE-00250001
- Maker
- Nienhuis Montessori, since 1929
- Primary Material
- Solid wood
- Finish
- Clear lacquer coating
- EAN
- 8719924001162
Final price incl. VAT. Delivery €5.90, €135.80 to go for free delivery.
Advice, warranty and returns are handled by us.
Brown Stair Prism in a child's hands
The thinnest prism of the Brown Stair, one centimetre square and twenty long, in the clear lacquer the maker gives the whole set. Every prism in the stair is the same twenty centimetres long and differs only in thickness, from one centimetre up to ten, so the stair isolates a single variable and this smallest piece is the unit the other nine are measured against. Without it the stair no longer starts anywhere. The complete Brown Stair is a separate item.
Visual Discrimination
Develops the ability to perceive subtle differences in dimension through visual and tactile exploration.
Mathematical Mind
Introduces concepts of measurement, proportion, and spatial relationships through concrete manipulation.
Fine Motor Control
Enhances precision grip and controlled movement through careful handling and placement activities.
How to present it
Place the Brown Stair on a mat with adequate space. Ensure prisms are clean and arranged randomly. Sit to the child's dominant side.
- 1Invite the child, showing how to carry one prism at a time with two hands
- 2Build the stair from thickest to thinnest, aligning on one side
- 3Introduce three-period lesson for language: 'This is thick/thin'
- 4Dismantle thoughtfully, returning prisms to random arrangement
3 tips for parents
- At home, compare widths of books, boxes, or blocks to reinforce the concept without duplicating the material
- Use precise language during daily activities: 'Which slice of bread is thicker?'
- Resist correcting errors immediately; allow your child time to self-discover through visual and tactile feedback
If you are not sure it suits your child, we answer in person.
Norbert Kovalčín, founder of Faborino · write to him
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What's in the Box
- Brown Stair Prism: Single 20×1×1 cm wooden prism with clear lacquer finish
Size and material
| Product size | 20 × 1 × 1 cm |
| Packaging | 20 × 1 × 1 cm |
| Primary Material | Solid wood |
| Finish | Clear lacquer coating |
| Recommended Age | 3-6 years |
Care
Wipe with slightly damp cloth, dry immediately
Frequently Asked Questions
What are the exact dimensions of this Brown Stair prism?
This prism measures precisely 20 cm in length, 1 cm in width, and 1 cm in height, making it the smallest piece in the traditional Brown Stair set with a square cross-section of 1×1 cm.
Is this a complete Brown Stair set or just one piece?
This is a single prism piece, not a complete set. It can serve as a replacement for a lost or damaged piece from your existing Brown Stair set, or as an extension piece for additional activities.
What is the clear lacquer finish and why is it important?
The clear lacquer finish is a protective coating that seals the wood while maintaining its natural appearance and texture. It protects against moisture, wear, and staining while ensuring the prism remains safe for children to handle.
How does this piece support sensorial development?
This prism helps children develop visual discrimination of dimensions, understand mathematical relationships through concrete manipulation, and refine their sense of proportion as they compare it with other prisms in the Brown Stair sequence.
Can this prism be used with other Montessori materials?
Yes, this prism can be combined with the Pink Tower for extension activities, used for pattern-making exercises, or incorporated into mathematical demonstrations of volume and dimension relationships.
Product safety
Manufacturer: Nienhuis Montessori, Anders Celsiusstraat 15, 7442 PB Nijverdal, Netherlands
Brown Stair Prism