Personalized Montessori wooden toy / Montessori Knobbed cylinder block and all natural wooden name blocks / Preschooler learning puzzle

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This is a set of two Montessori materials
1) personalized name blocks , all natural, no paint
2) 20 pcs Knobbed cylinder blocks with four blocks
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Personalized name block:
- wood burn letters, permanent and non toxic
- a bag with the name on it. Children can spell their names with the blocks and take the bag as a reference

Knobbed cylinder blocks
There are four blocks.
You order one set, means you will get 4 blocks
All blocks are different. Each block has its own order for the cylinders. Some cylinders may suit for different blocks.
Please refer to the pictures for the sequence.
(I use Canadian dollar, so it may shows different for US dollars)

Teaching purpose:
Visual discrimination of dimensions
Fine motor skills practice: coordination of the fingers used to hold the pencil. It is an important practice for writing in the near future
Preparation for mathematics.

Language to learn:
- Establishment of Quality: large, small
- Comparatives: larger, smaller
- Superlatives: largest, smallest

Dimension:
The biggest cylinder is 3cm in height and 3cm in diameter
The smallest cylinder is 1cm in height and 1cm in diameter

For presentation, please go to
http://www.canmom.com/wp/montessori-materials-instructions/montessori-knobbed-cylinder-block/

For North America, All materials are shipped by air with tracking number. If you order before Thursday, your order should arrive US the week after.
For international shipping, it will be shipped by air. It takes 12 business days to most countries