Wooden learning toy / Montessori Knobbed and knobless cylinder block Set / Preschooler learning puzzle / education toy / subtraction Why it works ✓ Children

Why it works ✓ Children build any number from 1 to 9

When a child holds a thousand cube in one hand and a single unit bead in the other

It also provides the visual experience for the group of 5

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Wooden learning toy / Montessori Knobbed and knobless cylinder block Set / Preschooler learning puzzle / education toy / subtraction Why it works ✓ Children**************************************************************** This is a set of two Montessori materials 1) 20 pcs Knobbed cylinder blocks with four blocks 2) 20 pcs Knobless cylinders ***************************************************************** 1) 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