Thermal Expansion Experiment Tool Kit for Kids Physics Education, School Physical Teaching Tool

$18.95
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Thermal Expansion Experiment Tool Kit for Kids Physics Education, School Physical Teaching Tool

  • 品牌: Unbranded
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Thermal Expansion Experiment Tool Kit for Kids Physics Education, School Physical Teaching Tool

  • 品牌: Unbranded
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Description: Thermal Expansion Experiment Tool Kit Design to prove the effect of Thermal expansion and contraction Great physical teaching aids for teacher Material: Plastic and Metal Length: 16 cm/ 6.3 inch Color: Random Specification: 1. Let the steel ball pass through the several times to show that the steel ball can pass through the at normal temperature; 2. the steel ball for 3-5 minutes, and then pass the steel ball through the . At this time, the steel ball expands due to , so it cannot pass through the ; 3. Let the steel ball cool naturally, and the steel ball can pass through the Package Includes: 1 x Physical Teaching Aids : Due to the manual measurement, please allow 1-2mm differences in size. Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand
  • 品牌: Unbranded
  • 类别: 早教
  • Fruugo ID: 176121036-376469233

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