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It is an alarm clock by its appearance, but the alarm clock is just a cover.
Do you see the side opening? Put your little secrets into it, so that they can wanton in their own on table or under the sun. Do not let the secret damp of.
When you no longer need them, open the lower part of the body, throw them.
Jiangnan University,China
Wuxi,Jiangsu Province, China
Hao Huang
Jiangnan University,China
Wuxi,Jiangsu Province, China
Zhe Tang,Zhiqiang Liu,Wenjie Su