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Comprehensive Set: Explore the wonders of geology with this set of 9 rock samples
Double Layer Mechanical Stage: The microscope features a double-layer mechanical stage (140x140mm/75x50mm) for precise and controlled specimen movement during observations
glass manufacturing
Dropper Inclusion: The package includes a dropper
Perfect Mesh Design: The black net features a mesh size of approximately 12x12 cm (4
Set of 15 Complete Electronic Circuit Board Kit | Plastic Baseboard (300mm x 400mm) Comprehensive Set: Explore the wondersIncludes: This comprehensive electronic circuit board kit includes a plastic baseboard (300mm x 400mm), terminals, brass stripe connectors, m. e. s bulb holder, brass switch, crocodile clips with wires (black and red), copper sheet (150mm x 100mm), crocodile clips (black and red), diode, resistor (3. 9 ohm), copper wire (1 meter), constantan wire (1 meter), steel wool, and a 2. 5V bulb. Durable Plastic Baseboard: The high quality plastic baseboard
