Teen BoardsInternational Version (Nienhuis)
The first photo is the maker's own. The other shots are illustrative.
Inv. no. NIE-003020
- Maker
- Nienhuis Montessori, since 1929
- Approval
- AMI
- Primary Material
- Natural wood
- Number Printing
- Paint or ink
- EAN
- 8719924001674
Final price incl. VAT. Delivery €5.90, €49.10 to go for free delivery.
Advice, warranty and returns are handled by us.
Why it costs €99.90
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 8719924001674 is on the box. It is the maker's number, not ours.

Teen Boards in a child's hands
Boards for the numbers eleven to nineteen, where a child slides a numeral over the ten to make each teen. English hides what is happening here, since fourteen does not sound like ten and four, but the board shows it: the ten stays put and only the unit changes. Quantities are built alongside from ten bars and the coloured bead stair in the teen bead box, so symbol and quantity arrive together. This is the step between counting to ten and counting past it. Two boards and nine wooden cards in a lidded wooden box. Wood, for ages 3 to 6.
Decimal System Understanding
Introduces the concept of tens and units through concrete manipulation, building foundation for place value comprehension.
Sequential Number Recognition
Develops ability to recognize and order teen numbers through systematic arrangement and visual-tactile experience.
Fine Motor Precision
Placing tiles in recessed compartments refines pincer grip and hand-eye coordination essential for writing.
Mathematical Language
Supports vocabulary development for teen numbers while establishing pattern recognition for number construction.
How to present it
Place both Teen Boards on the work mat. Set the box of loose number tiles (1-9) to the right. Ensure the '10' is visible on each board slot.
- 1Introduce the first board showing 10. Say 'ten' while pointing
- 2Take the '1' tile and slide it over the zero of the first 10, creating 11
- 3Continue building 12-19 sequentially, naming each number
- 4Invite the child to remove tiles and rebuild numbers independently
- 5Practice three-period lesson with selected teen numbers
3 tips for parents
- Count objects around the house in the teen numbers range
- Point out teen numbers on calendars, clocks, and addresses
- Play 'I Spy' games focusing on teen numbers in the environment
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
- Wooden board set: Two boards with recessed compartments
- Number tiles: Removable tiles showing numbers 11-16 and 11-15
Size and material
| Packaging | 45 × 16 × 5 cm |
| Primary Material | Natural wood |
| Number Printing | Paint or ink |
| Finish | Smooth surface |
| Recommended Age | 3-6 years |
Care
| Cleaning | Wipe with slightly damp cloth, dry immediately |
| Storage | Keep in dry environment, away from direct sunlight |
Frequently Asked Questions
What exactly are the Teen Boards and how do they work?
The Teen Boards are two wooden boards with printed '10' numerals and slots where children slide single digit tiles (1-9) to form numbers 11-19. This hands-on material helps children physically construct teen numbers, making the abstract concept of place value concrete and understandable.
At what age should children start using the Teen Boards?
Children typically begin using Teen Boards around age 4-4.5, after mastering numbers 1-10 and understanding quantity relationships. The material remains useful through age 6 as children deepen their understanding of the decimal system and prepare for more complex mathematical concepts.
What skills do children develop using this material?
Children develop understanding of place value, teen number formation, and the decimal system foundation. They also enhance fine motor skills through tile manipulation, visual discrimination, sequential thinking, and mathematical language while building confidence with two-digit numbers.
What other materials work well with the Teen Boards?
The Teen Boards pair perfectly with the Bead Stair for quantity association, Number Cards for symbol recognition, and later with the Tens Boards (20-99). They also complement the Golden Bead Material for decimal system work and prepare children for the Hundred Board.
How durable are these boards and what maintenance do they need?
Made from high-quality wood with smooth finishes, these boards are designed for years of classroom use. Simply wipe clean with a slightly damp cloth and ensure tiles are stored properly. The recessed compartments protect the tiles and keep all pieces organized for long-lasting use.
Product safety
Manufacturer: Nienhuis Montessori, Anders Celsiusstraat 15, 7442 PB Nijverdal, Netherlands
Teen Boards