Knob For CylindersThick (1)
The first photo is the maker's own. The other shots are illustrative.
Inv. no. NIE-00190011
- Maker
- Nienhuis Montessori, since 1929
- Primary Material
- Natural wood
- Finish
- Smooth
- EAN
- 8719924000455
Final price incl. VAT. Delivery €5.90, €146.10 to go for free delivery.
Advice, warranty and returns are handled by us.

Knob For Cylinders in a child's hands
One thick knob for the cylinder blocks, sold as a single piece. The knob is what makes a cylinder block a preparation for writing: it is held between thumb, index and middle finger, the same three that will hold a pencil, and a block with a knob missing quietly stops doing that job. Thick and thin knobs are not interchangeable, so check which one your block uses before ordering. The cylinder blocks are separate items.
Fine Motor Control
The spherical knob design supports proper pincer grip development essential for writing preparation.
Hand Strength
Regular use builds the small muscle strength needed for pencil control and precision movements.
Sensorial Discrimination
The smooth wooden texture provides tactile feedback that enhances the child's sensorial experience.
How to present it
Ensure the replacement knob is properly secured in the thick cylinder. Check that the wooden surface is smooth and free from splinters. Place the cylinder block at the child's dominant hand side on the work mat.
- 1Demonstrate the three-finger grip by slowly placing thumb and index finger on opposite sides of the knob, with middle finger supporting underneath
- 2Lift the cylinder straight up using only the three fingers on the knob, keeping the wrist straight
- 3Hold the cylinder at eye level briefly before lowering it back into its socket
- 4Release the knob by opening fingers simultaneously, not letting the cylinder drop
3 tips for parents
- Practice three-finger activities at home like picking up small objects with tweezers or tongs
- Notice if your child uses a full-hand grip versus three fingers when handling small objects
- Strengthen finger muscles through activities like playing with clay or squeezing stress balls
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
- Replacement Knob: For thick cylinder blocks
Size and material
| Packaging | 13 × 9 × 2 cm |
| Primary Material | Natural wood |
| Finish | Smooth |
| Recommended Age | 3-6 years |
Care
Wipe with slightly damp cloth, dry immediately
Frequently Asked Questions
What size cylinder blocks is this knob compatible with?
This knob is specifically designed for the thick cylinder blocks in Montessori Knobbed Cylinders sets. It features a shaft diameter that fits securely in the thick cylinder block holes.
Is this knob the same wood type as original Montessori cylinders?
Yes, this replacement knob is crafted from smooth, high-quality wood matching traditional Montessori materials, ensuring consistency in texture and appearance with your existing cylinder set.
Will this knob help develop proper pencil grip?
Absolutely. The spherical head is precisely sized to encourage the three-finger pincer grasp, which directly prepares children for proper pencil holding and writing readiness.
How do I know if I need the thick or thin cylinder knob?
Measure the hole diameter in your cylinder block or the shaft of your existing knobs. Thick cylinder knobs have larger shaft diameters designed for the blocks with wider cylinder variations.
Can I purchase multiple knobs for a complete set?
Yes, you can order multiple knobs as needed. A complete thick cylinder block typically requires 10 knobs. Check your specific set to determine how many replacement knobs you need.
Product safety
Manufacturer: Nienhuis Montessori, Anders Celsiusstraat 15, 7442 PB Nijverdal, Netherlands
Knob For Cylinders
