Knobbed Cylinders

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Knobbed Cylinders
Sensorial - Visual Discrimination of Size
Knobbed Cylinders.JPG
Level Pre-Primary
Primary
Age 2.5 - 3.5
Prerequisites eye-hand coordination
concentrarion
small muscle coordination
knobbed puzzles
Practical Life activities
Materials knobbed cylinder block 1
knobbed cylinder block 2
knobbed cylinder block 3
knobbed cylinder block 4

Use of this material teaches the child visual discrimination of dimension. This activity also helps the child develop his or her pincer grip which is necessary for writing.

Presentations[edit]

Cylinder Block 1[edit]

Cylinder Block 1.jpg

  1. Bring the child to the shelf and invite the child to hold the knobbed cylinder.
  2. Layout the mat from left to right and place the knobbed cylinders on the top of the mat.
  3. take out all the cylinder serially from left to right direction by holding knobbed with the help of three finger of right hand and place it bottom of mat.
  4. Put the cylinder on the mat in a random order.
  5. Pick up one knobbed cylinder with right hand and give in left hand then feel it with right hand two fingers feel the rim also,now again give to right hand and put it in the hole.

Cylinder Block 2[edit]

Cylinder Block 2.jpg

Cylinder Block 3[edit]

Cylinder Block 3.jpg

Cylinder Block 4[edit]

Cylinder Block 4.jpg

Points of Interest[edit]

Control of Error[edit]

The control of error lies within the materials itself.

  • Seeing those that are too wide not fit
  • Those that are too thin will not fit snugly
  • Those that are too short or too tall will not be level
  • At the least, the child will be left with one that does not fit in the end.

Variations and Extensions[edit]

Language[edit]

All Blocks: knob, cylinder

Block 1
- Establishment of Quality: large, small
- Comparatives: larger, smaller
- Superlatives: largest, smallest

Block 2
- Establishment of Quality: thick, thin
- Comparatives: thicker, thinner
- Superlatives: thickest, thinnest

Block 3
- No language

Block 4
- Establishment of Quality: tall, short
- Comparatives: taller, shorter
- Superlatives: tallest, shortest

Material[edit]

Where to Buy[edit]

Set of 4
Absorbent Montessori $109.00
Absorbent Montessori $149.00
Adena $99.99
Affordable Montessori $105.00
Affordable Montessori $149.00
Albanesi $322.00
Alison's $170.00
Alison's $240.00
Bruin's $295.00
Cabdev $343.00
Caliber $104.99
E & O $320.00
ETC Montessori $295.00
Hello Wood $311.00
Juliana $271.60
Kid Advance $129.99
Montessori Buy $117.65
Montessori Concepts $120.00
Montessori Land $149.00
Montessori Stores $290.00

Individual Blocks
Alison's $22.50 (block 4)
Hello Wood $79.00 (block 1)
Hello Wood $79.00 (block 2)
Hello Wood $79.00 (block 3)
Hello Wood $79.00 (block 4)
Juliana $71.40 (block 1)
Juliana $71.40 (block 2)
Juliana $71.40 (block 3)
Juliana $71.40 (block 4)
Jump Start $29.95 (block 1)
Jump Start $29.95 (block 2)
Jump Start $29.95 (block 3)
Jump Start $29.95 (block 4)
Kid Advance $34.99 (block 1)
Kid Advance $34.99 (block 2)
Kid Advance $34.99 (block 3)
Kid Advance $34.99 (block 4)
Material Company of Boston $68.00 (block 1)
Material Company of Boston $68.00 (block 2)
Material Company of Boston $68.00 (block 3)
Material Company of Boston $68.00 (block 4)
Montessori N' Such $31.99 (blocks 1-4)
Montessori Outlet $32.95 (block 1)
Montessori Outlet $32.95 (block 2)
Montessori Outlet $32.95 (block 3)
Montessori Outlet $32.95 (block 4)
Nienhuis $79.90 (block 1)
Nienhuis $79.90 (block 2)
Nienhuis $79.90 (block 3)
Nienhuis $79.90 (block 4)

Infant-Toddler Version
Alison's $65.00 (4 cylinders per block)
Alison's $25.00 (5 cylinders per block)
Alison's $78.00 (5 cylinders per block)


Replacement Cylinders
Alison's $16.00 (1 smallest of each)
Kid Advance $4.99 (5 of smallest from block 1)
Montessori Buy $4.23 (5 of smallest from block 1)
Montessori Buy $4.23 (5 of smallest from block 2)

Further Reading[edit]