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Ships within 48 hours · Estimated delivery Aug 4 - Aug 9
Suitable from 3 years
Marchantia
Mainly applied in studying the imagery laws of lens measuring the focus
DC output voltage: (1) 0~+15V/500mA (2) 0~-15V/500mA (3) +3V/1A
a rechargeable battery
Sample of Coal & Processing Suitable from 3 yearsSample of Coal & Processing This model can be used as a visual aid in schools for Geology lessons. Premium Quality: This item is made of high quality, heavy duty and durable materials. Designed for use in geology classrooms, household and educational settings. If you need custom order with different sizes design, please contact us. Safely Packaged to avoid being damaged during transportation.
