Video show: Description: Themotionofthis5-ballcradleisthemostaddictingwaytodemonstrateNewton'slawofconservationofmomentumandenergy, whichmakesitagreatteachingtool,inadditiontobeingfuntowatch.Andwe'veequippedeachfrostedglassspherewithLED, it'sevenmoreamazing.Lightsreactbasedontheirposition.Startakineticchainreactionwithoneballandseehowtheothers changecolorinresponse.Onefromeachend,settheLEDtoasinglecolorandwatchthelightfadeastheyswingbackandforth. > Specifications: ItemType:NightLight LightSource:LED Size:20cm*15cm*18cm Material:Plastic+FrostedGlass Batteries:6X1.5VAAalkalinebatteries(notincluded) Features: Seethelawsofconservationofmassandenergyexpressedincolor Programmedwiththreelightingmodes-flash,fade,colorcycle Bright,multicolorLEDineachsphere PackageIncluded: 1xKineticLightNewton'sCradleBalanceBall(Batteryisnotincluded)
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