▁and ▁the ▁whole ▁k ib but z . ▁They ▁lived ▁in ▁the ▁children ' s ▁house , ▁where ▁they ▁had ▁commun al ▁sleep ing ▁arrang ements ▁and ▁visited ▁their ▁parents ▁for ▁ 2 – 3 ▁hours ▁a ▁day . ▁ ▁Non - select ivity ▁was ▁a ▁fundamental ▁principle ▁of ▁collect ive ▁education ; ▁every ▁child ▁got ▁ 1 2 ▁years ▁of ▁study , ▁they ▁took ▁no ▁tests ▁what so ever , ▁and ▁no ▁gr ades ▁were ▁recorded . ▁The ▁found ers ▁of ▁the ▁k ib but z ▁actually ▁aim ed ▁at ▁creating ▁" the ▁' new ▁man ' ▁of ▁a ▁u top ian ▁society ." ▁ ▁Three ▁concent ric ▁circles ▁of ▁life ▁Collect ive ▁education ▁was ▁carried ▁out ▁within ▁the ▁boundaries ▁of ▁three ▁concent ric ▁circles : ▁the ▁children ' s ▁house , ▁the ▁parents ' ▁house , ▁and ▁the ▁k ib but z ▁community . ▁ ▁Children ' s ▁house ▁ ▁A ▁group ▁of ▁children , ▁all ▁about ▁the ▁same ▁age , ▁shared ▁a ▁children ' s ▁house ▁and ▁had ▁a ▁n anny ▁who ▁took ▁care ▁of ▁their ▁every day ▁needs . ▁Each ▁house ▁had ▁a ▁d ining ▁hall , ▁a ▁class room , ▁bed rooms ▁( 3 - 4 ▁children ▁in ▁each ▁room ), ▁and ▁a ▁bath room . ▁Boys ▁and ▁girls ▁took ▁show ers ▁together ▁during ▁elementary ▁school ▁up ▁to ▁the ▁sixth ▁grade , ▁and ▁usually ▁shared ▁their ▁bed rooms ▁even ▁until ▁the ▁end ▁of ▁high ▁school . ▁ ▁This ▁was ▁the ▁k ib but z ▁children ' s ▁house