7 ПРОСТЫХ ХИМИЧЕСКИХ ОПЫТОВ ДЛЯ ДОМА!
Техника безопасности при проведении опытов:
4 days ago 00:02:25 1
1 week ago 01:14:31 18
1 week ago 00:03:22 1
2 weeks ago 00:02:49 4
2 weeks ago 00:19:14 1
2 weeks ago 03:31:05 1
3 weeks ago 00:00:54 5
1 month ago 00:05:50 3
1 month ago 00:04:26 1
1 month ago 00:11:24 1
1 month ago 00:00:34 1
1 month ago 01:11:51 1
1 month ago 00:08:26 1
1 month ago 00:46:37 1
1 month ago 00:19:14 1
1 month ago 00:14:54 1
1 month ago 00:12:04 1
1 month ago 00:13:53 1
1 month ago 00:08:09 1
1 month ago 00:08:24 3
1 month ago 00:08:40 1
1 month ago 00:14:41 1
1 month ago 00:08:58 1
1 month ago 00:09:43 1
