The STEREOGNOSTIC SENSE AND GEOMETRY SHAPES is an important work for children and the Montessori child in particular. This bag helps teach the children about the geometric shapes using the stereognostic sense.

Read our article to have more details on the purpose and benefits of the stereognostic sense in every children education. But first, here’s a video to have more information about the typical educational material which allows little-ones to learn geometry shapes while using their stereognostic sense. Then, we’ll give details on how to introduce a child to this mysterious sense.

There are 10 wooden geometric 3-dimensional shapes in a small drawstring bag. These shapes are as follows:

  • Square based pyramid
  • Cylinder
  • Triangular based pyramid (note that they look the same except for their base)
  • Rectangular prism
  • Sphere
  • Triangular prism (do note that this looks a lot like the triangular prism but, again, with a different base, a triangular one)
  • Cube
  • Cone
  • And then two round objects. One is an ovoid and the other is an ellipsoid. The difference is that the ovoid has a slight egg like shape whereas the ellipse is oval.

    geometry shapes learning with stereognostic sense overview

    These geometric wooden blocks are very beautiful and can be used in many different ways. For example, you can play a game with the child by putting all of the geometric shapes inside of the bag.

    Geometry shapes learning with stereognostic sense - The montessori mystery bag

    You can take turns by taking one out and guessing what shape it is before you put it on the rug. As you’re feeling it in the bag you should be saying”. Hmm, is it flat, is it round, does it have corners…?” seeing if you can guess which geometric shape it is. Children love this game and it’s an easy game for them to play with a friend or another adult. This way they can practise learning their geometric three dimensional shapes without the need of an adult always being there. Once they learn the names of the shapes they can practise with a younger sibling or a friend. Montessori loved teaching children games, because she felt like it made the work more interesting. The options are endless with these beautiful wooden geometric blocks.


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