lll8210 发表于 2011-5-20 14:04:36

可动机械纸模型-青蛙大合唱

可以动的纸模型，转动手柄，两个青蛙会交替张口。
http://www.zhezhixueyuan.com/uchome/attachment/201105/20/371_13058712666ynM.jpg

http://www.zhezhixueyuan.com/uchome/attachment/201105/20/371_1305871267hj2H.jpg
http://www.zhezhixueyuan.com/uchome/attachment/201105/20/371_1305871264ebjE.jpg
http://www.zhezhixueyuan.com/uchome/attachment/201105/20/371_1305871261IV1a.jpg

kaixing.98 发表于 2011-7-2 16:43:56

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