Knobbles Cylinders ihamagarira umwana guhura nuburebure nubugari, ingaruka zumuvurungano, kandi bigafasha guhuza neza, kwibanda, kwigenga, hamwe nubuhanga bwo gukemura ibibazo binyuze mubireba.
Amaseti 4 ya silinderi 10 zitandukanye muburebure na / cyangwa diameter muri buri seti.Buri seti iri mumasanduku yihariye yimbaho hamwe numupfundikizo ushushanyijeho ibara rimwe na silinderi;umutuku, icyatsi, umuhondo, ubururu.Buri cyiciro kirimo igice gito.
