t106 pear machinery timer 60 minutes timing time manager inverted timer student learning gift

t106 pear machinery timer 60 minutes timing time manager inverted timer student learning gift

T106梨子机械计时器60分钟计时时间管理器倒计时器学生学习礼品

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T106梨子机械计时器

产品尺寸：Ф67*91mm

单个产品重量：90g

单个包装尺寸：7*7*8cm

装箱资料：38*38*36cm/100pcs

毛净重：10.3/8.0kg

【使用说明】：将定时器顺时针转一圈至零刻度，再逆时针转回所需的时间，定时器届时会发出清脆的铃声。

【定时范围】60分钟

Update time：20250321114236