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At N&T NIETING
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White gold
Quick detection of metals
3pcs Please allow 1-2mm measuring deviation due to manual measurement
Balance Stirg Engine Miniature Model Steam Technology Scientific Power Generation Experimental Toy Color:ENGINE At N&T NIETINGEngine principle is intuitive, educational toys, teaching experimental equipment can effectively cultivate children's interest in learning can also be used for classroom teaching, more intuitive and easy to understand. Description: Material: Aluminum alloy,glass Color: Silver gold Size: 160x87x110mm Instructions: Please go to the pharmacy to buy 95% purity alcohol, anhydrous industrial alcohol better. Fill the alcohol lamp to less than two thirds.