Montessori Wooden Number Line Board - Math Addition and Subtraction Tools

Make Math Visual and Tangible!
Help your child master the concept of positive and negative numbers with our handcrafted solid oak number line. Perfect for visualizing addition, subtraction, and number sense.
Options:
Set: Choose between "Board" or "Board with Felt Balls".
Design: Two boards covering the full range from negative to positive.

Dimensions:
Positive board Size: 23 x 7 cm (approx. 9.05 x 2.75 inches). 
Negative board Size: 21 x 7 cm (approx. 8.27 x 2.75 inches). 
Thickness -2 cm (0.9")
Felt Balls: 1.5 cm (approx. 0.6 inches) — perfect for little hands.

Materials & Quality:
Wood: Premium solid Oak.
Finish: Eco-friendly natural oil (safe for children).
Durability: Built to last through years of homeschooling and classroom use.

INCLUDES 
- wooden number line (0–10) or (-1 to -10) or both
- felt balls (10 or 20 depends on variation).
- linen bag for balls.

PERSONALIZATION
We can personalized this board, only write us what name or text you want.

More of our wooden items available here:
https://threewoodshop.etsy.com

ABOUT ORDER 
We need to prepare an order for shipping (delivery) 1 day. After your order has been shipped, we will send you a message with Tracking number.

PACKAGING
All  handmade items are beautiful packaged.

IS THIS ITEM A GIFT?
If your frame is a gift we can include gift card and send in to the direct. Please, write a note detailing the wording you would like and write correct address.

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