Sandpaper NumeralsInternational Version (Nienhuis)
The first photo is the maker's own. The other shots are illustrative.
Inv. no. NIE-002820
- Maker
- Nienhuis Montessori, since 1929
- Approval
- AMI
- Cards
- Sturdy cardboard
- Numerals
- Fine-grain sandpaper
- EAN
- 8719924001575
Final price incl. VAT. Delivery €5.90, €116.10 to go for free delivery.
Advice, warranty and returns are handled by us.
Why it costs €32.90
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 8719924001575 is on the box. It is the maker's number, not ours.

Sandpaper Numerals in a child's hands
A bridge to confident reading and writing, these Sandpaper Numerals introduce mathematical symbols through tactile exploration, featuring numerals 0-9 on sturdy green cards with contrasting yellow sandpaper surfaces. The textured sandpaper provides essential sensory feedback as children trace each numeral, establishing correct formation patterns through muscle memory while simultaneously developing visual recognition of numerical symbols.
Tactile Memory
The sandpaper texture creates muscle memory for correct numeral formation, preparing the hand for writing.
Symbol Recognition
Children associate the physical sensation of tracing with the visual form of each numeral.
Mathematical Foundation
Introduces abstract numerical symbols through concrete sensorial experience.
Hand Preparation
Tracing movements develop fine motor control and proper pencil grip for future writing.
How to present it
Place three numeral cards on a mat, selecting numerals with distinct shapes (like 1, 4, and 8). Sit to the child's dominant side for clear visibility.
- 1Trace the first sandpaper numeral slowly with your index and middle fingers, following the same path used for writing
- 2Name the numeral as you complete the tracing: 'This is one'
- 3Invite the child to trace the same numeral, watching for correct finger position and movement direction
- 4Proceed with three-period lesson: naming, recognition, and recall for each numeral
- 5Mix the three cards and ask the child to identify specific numerals by tracing
3 tips for parents
- Practice air-writing numerals during everyday moments, using the same movements learned with sandpaper cards
- Point out numerals in the environment after your child has mastered specific sandpaper cards
- Respect your child's need to trace repeatedly - this repetition builds essential neural pathways
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
- Sandpaper Numeral Cards: Approx. 10 cards (0-9)
Size and material
| Packaging | 13 × 11 × 6 cm |
| Cards | Sturdy cardboard |
| Numerals | Fine-grain sandpaper |
| Recommended Age | 3-6 years |
Care
Wipe cards with dry cloth; avoid moisture on sandpaper
Frequently Asked Questions
What makes this the 'International Version' of sandpaper numerals?
This version features universally recognized Arabic numerals (0-9) without language-specific number words, making it suitable for multilingual classrooms and international Montessori environments. The focus remains purely on numeral recognition and formation.
How do children use these sandpaper numerals effectively?
Children trace each textured numeral with their index and middle fingers, following the correct formation pattern while saying the number name aloud. This multi-sensory approach combines tactile, visual, and auditory learning to establish proper number writing habits.
Why are the cards green with yellow sandpaper?
The green background with yellow sandpaper follows traditional Montessori color coding for mathematics materials. This high contrast combination helps children clearly distinguish the numeral shape and associates these colors with mathematical concepts throughout their learning journey.
What skills do children develop using these cards?
Children develop number recognition, correct numeral formation patterns, fine motor control, and establish muscle memory for writing. The tactile experience also enhances concentration and prepares the hand for future pencil work while building mathematical symbol awareness.
When should children transition from sandpaper numerals to writing numbers?
Children typically begin writing numerals on chalkboards or sand trays after mastering the sandpaper numerals' tracing patterns. When they can trace confidently with correct formation and recognize all numerals instantly, they're ready to practice writing with various materials.
Product safety
Manufacturer: Nienhuis Montessori, Anders Celsiusstraat 15, 7442 PB Nijverdal, Netherlands
Sandpaper Numerals