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56-上上下下的玉米粒
57-淀粉密信
58-自制柠檬墨水
59-水往上爬
60-倒不出的水
61.掉不下来的彩球
62.烧不着的纸杯
63.磁场里的毛球怪
64.磁场干扰
65.磁化与永磁化
66.棉签独木舟
67.研究泡泡液配方
68.会跳舞的泡泡
69.消失重现的磁铁
70.消失重现的眼镜
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