观看免费视频 Fastening Ballons to Cars

(20.5 MB) 添加日期15 Feb 2017 播放216次 教育 汽车 气球 Tutorial Fun Things to do
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Fastening Ballons to Cars

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动画说明：

Kids design and make balloon cars and rubber band powered wind-ups in the Fantastic Elastic curriculum( grades 2 - 3).