Pamwamba pa Rattleback, Mwala Wachi Celtic
Kukula 9.6x2x1cm, Kuyika 16.5x9x1cm, PVCA rattleback, yomwe imadziwikanso kuti
Pamwamba pake, yomwe imadziwikanso kuti mwala wachi Celtic, ndiyokwera pang'ono ngati elliptical. Zidzayenda mozungulira; komabe, ikatembenuzidwira mbali inayo, imayamba kusakhazikika, kugwedezeka, kuyima, ndikusintha kuti izungulira mozungulira.
Chozungulira-chosinthasintha-chozungulira chikuwoneka kuti chikuphwanya lamulo la kusungika kwakanthawi kwakanthawi mufizikiki. Chodabwitsa kwambiri ndichakuti tikatembenuza gyroscope kupita kwina, ma gyroscopes ambiri sadzakhala ndi chodabwitsa ichi; zichitika mbali ina. Makhalidwe awiriwa amapangitsa kukwera kosazungulira kukhala chinthu chosowa kwambiri, chomwe chadzetsa malingaliro a anthu ambiri kuyambira nthawi zakale.
