Composition :
Base in Plywood all birch B/BB standard NF EN 314-2; Northern pine stem; Finish of satin acrylic varnish; Natural Beech rings Standard EN 335 and/or untreated steel
Square base 12 cm; Length stem 10 cm; Rings 6.5 cm
Use : These are wooden and/or metal rings to be threaded onto a stable and straight rod.
This material is shown to children after the rings on vertical stem. It is important for the development of hand work. Intelligence develops through the "hand-brain-hand" loop: by manipulating objects, the hand perceives information that it sends to the brain. The child assimilates them and the hand then uses these new data.
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