как сделать разрывные наконечники для стрел.
Здесь хим-барахолка -
Для детей конечно лучше опыты по проще.
5 months ago 00:04:12 1
5 months ago 00:23:45 1
5 months ago 00:09:42 1
5 months ago 00:00:33 1
5 months ago 00:45:39 1
5 months ago 00:10:02 1
5 months ago 00:00:49 1
5 months ago 00:18:42 1
5 months ago 00:07:23 1
5 months ago 00:00:00 1
5 months ago 00:08:21 1
5 months ago 00:02:58 1
5 months ago 00:11:15 1
5 months ago 00:07:44 1
5 months ago 00:06:05 1
5 months ago 00:15:38 1
5 months ago 00:31:07 1
5 months ago 00:18:01 1
5 months ago 00:07:21 1
5 months ago 00:37:15 1
5 months ago 01:12:33 1
5 months ago 00:08:10 1
5 months ago 00:42:14 1
5 months ago 00:03:03 1
