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silver expansion band
5cm approx
Size: 105x62x27 mm
Intelligent linkage function triggers alerts for temperature and humidity fluctuations
Experiment Kit Crystal Creation Boys Underwear silver expansion bandExperiment Kit Crystal Creation Grow single crystals of different colors using the chemicals provided. The set includes: 3 bags of potassium aluminum sulfate (alum) 1 plastic measuring cup, 100 ml 1 plastic spoon shaped micro spatula 1 pair of protective gloves 2 plastic storage bins with safety lock 1 key for security lock 1 illustrated manual
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