I have been getting a some questions about making these. I decided not to make these.
To make these you would need to purchase a large range of bits to cut them out. The four blocks with cylinders grade by width and height in four different arrangements. If you do not have these bits on hand the cost to purchase them would far exceed the cost to buy them.
In addition to this the Knobless Cylinders, are a direct extension to the Knobbed Cylinders, meaning both sets can be used together. The cylinders in both sets match perfectly.
These knobs also develop a number of other skills including discerning size, height,width, depth and weight of objects, memory and matching skills.
There are extensions that enhance patterning and design skills.
These also provide opportunities for language as in small, smaller and smallest. "Can you find me the largest cylinder?"
These also provide opportunities for language as in small, smaller and smallest. "Can you find me the largest cylinder?"
There are lots of extensions for these to be found out there for free or to purchase. You can inexpensively purchase many here, or you can easily make your own simply with construction paper and gluing down the circles. Kids can also draw and colour in their own designs or simply work freely to create designs as mine do.
Also please check out the FREE Montessori Primary Guide for lessons.
Visit Montessori Research and Development for their Sensorial Extensions Manual for the Knob less Cylinders here, and the Sensorial Extension Manual here.
If you make these PLEASE send me a link I would love to see them!
We love this material!
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Hi! my dad has made them for us - he has also made knobless cylinders but I haven't put them on my blog yet. Hope I will do it soon:)
ReplyDeleteHere is the link:
http://dodziecizpasja.blogspot.com/p/dziadkowe-pomoce.html
scroll down the page:)
Love your blog and ideas!
Hugs from Poland,
K.
Wow!!! We have loved making many of the materials that we have it is so rewarding:)) Your father is extremely talented, and it was a pleasure to see the work he has created for you and your children!!
DeleteThank you so much for sharing it just beautiful!!! Amazing!!!
Thank you!:) My dad will be happy hearing that:)
DeleteHi! I would like to ask you some questions (contact you)but unfortunately I can not find your e -mail.
ReplyDeleteFeel free to pm me on Facebook:)
DeleteBeyond missing out on the extension opportunities, I am curious if the mini-knobbed cylinders would suffice? All of my research doesn't discuss a comparison between the two.
ReplyDeleteThe smaller set is basically just that. I personally decided to purchase the larger blocks/set because of the extension work/longevity, it was far more work for them to complete and really reinforced the purpose of the work. Speaking for myself here I wondered if I spent the extra money on this set, would I end up wanting to purchase the larger set in the end anyway?
ReplyDeleteI don’t think you absolutely need the larger set in the grand scheme of things, but it is a really wonderful material if you are able to purchase it. We made so many of our materials, and were given many as gifts that we did splurge in a few areas like this one. Realistically though most puzzles produced now have Montessori style knobs on them for practical reasons, but work just as well for the purpose of writing preparation. Hope that makes sense:)
The other reason for the larger cylinder blocks is that Montessori created them on the base 10 system. Many of her materials are made based on this concept. This particular material also differs in 1/10 of a cm. in sequence - either in diameter, height, circumference, etc. The smaller cylinder blocks do not have this advantage...as the base 10 concept throughout the materials provides for consistency, ease of use, interconnectedness, and relation within the materials.
ReplyDeleteAbsolutely!! Thank you for commenting :)
DeleteI need the exact size dimensions for the holes drilling bits and accurate dimensions, is there a reference document or anyone got the info please ???
ReplyDeleteI have not seen the dimensions listed anywhere, but I am in the process of creating a document - it's on my to do list. I will share it when I have it put together :)
DeleteThis is tough to make in North America. We are thinking of making it in imperial with as close dimensions as possible by purchasing dowels from a local company and then machining the blocks. Thoughts? By the way this blog has the dimensions : http://moosehuntress.blogspot.ca/2008/05/dont-make-your-own-sensorial-materials.html?m=1
ReplyDeleteI have created a document and cut list for this material and will post it soon. I also chat about using dowels. I think dowels are a good choice keeping in mind the blocks still need to be cut to house the cylinders. It generally isn't the wood for this material that makes it expensive to make at home but more the tools required. If you have them - or can get all the bits cheaply - or have someone to make it, it would be great to make. For us it was the cost of all the bits that outweighed purchasing it.
DeleteI guess it depends on type of wood. We are looking at maple or ash:)
DeleteHi there. I Pmd you on Facebook for the document. We were hoping to make it this week. Would you be able to send it before posting? Also does it include the trapezoidal/profile dimensions of the outside edges of the block? We'd like to make those. Thanks so much. If you already posted it which page is it on as I cannot locate the document section of the blog.
ReplyDeleteJust published the post! I am so excited to know how this works out for you!!! Let us know :)
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