观看免费视频 Backyard Science Experiment

(1.7 MB) 添加日期29 Jan 2021 播放77次 科学 Design
重置
Zoom out
Zoom in
Backyard Science Experiment

flowplayer
00:00 00:00

spaceplay / pause

qunload | stop

ffullscreen

shift + ←→slower / faster

↑↓volume

mmute

←→seek

 . seek to previous

12… 6 seek to 10%, 20% … 60%

动画说明：

It's very dangerous to try without proper knowledge and guidance so better not try this one at home. Sit this one out, just watch and enjoy.