Водяное колесо. Часть 1.
Дети изготавливают две половинки колеса на спицах-шпажках, учатся определять центр и пользоваться циркулем.
2 months ago 00:16:32 2
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7 months ago 00:03:38 1
8 months ago 00:00:54 3
