Material identification - this was sold to me as Nienhuis but it does not look like the knobbed cylinder blocks currently sold on the website. Could it be vintage Nienhuis? It's very
Nienhuis 4th Green Cylinder - Childrens House Montessori Materials - discern height and width
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Nienhuis Montessori 2020 catalogue - B2C
Infant / Toddler 0 - 3
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Nienhuis Montessori USA | Gilroy CA
Elementary 6-12
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Sold Price: Bert Nienhuis (1873-1960), a blue/brown glazed vase. signed and dated underneath (1921). - October 5, 0120 10:00 AM CEST
Wooden Montessori Imbucare Box with Geometry Shape Matching Toy for Toddlers Cylinder - Walmart.com
Nienhuis Montessori - Posts | Facebook
Nienhuis 7th Cylinder of Block No 1 - Childrens House Montessori Materials -
Spare part: 5th Cylinder Of Block No. 2 – Nienhuis Montessori - Teia Education & Play