Knobbed Cylinders - Block #3 0-12-months to alevin and eventually a

to alevin and eventually a mature spawning salmon

Card dimensions: 9

Ten cards illustrating the shapes of different land and water forms

Note: Take care not to overtighten the screws as this may result in the threaded receptacles being removed from the block when unscrewing

Knobbed Cylinders - Block #3 0-12-months to alevin and eventually aBlock #3 only. Cylinder diameter increases as height decreases. Block has ten cylinders. The purpose of this product is to help develop the child's visual discrimination of size. Indirectly, it also prepares the child for writing through the handling of the cylinders by their knobs. Also indirectly prepares the child for later work in Mathematics through observation of the regular differences in the cylinders. Features Materials: Solid beech wood.