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Specification: Voltage: 2.5V Base: E10 Miniature Screw Item Package Quantity: 50Features: 1. Mainly used in primary and secondary school electrical experiments. 2. These E10 Miniature Screw Base Light Bulbs have a variety of uses. Compatible with many power tools and use on experiment.  3. This pr..

Description:This demonstration pulley block is designed for use in junior high school physics teaching and elementary school natural knowledge subjects in classroom presentations or group experiments.Specifications:Material: Metal shelf, Plastic wheelWeight(Appr.): 395gMaximum Loa..

Specification:Length 250mm Width: 110mm Height: 100mmPower: 130 motorColor: red, yellow, blue Random delivery! Experimental equipment: wheels, switches, wires, DC motors, battery boxes, EPS bodies, diagonal pliers. Switch: A device that turns the power on and off EPS body: the o..