Highly evacuated electron tube with focusing electron gun and fluorescent screen inclined relative to the beam axis, so that the path of the beam can be seen and the effects of electric and magnetic fields can be studied.
Small Motor with Leads and Mount, Adapter Pin, AA Single Battery Holder, 1.5-3V Mount, single, Motor Shaft Diameter: 2.3mm, turns at the perfect speed for most projects. Use these for motor powered, cars, boats
Wiggle-Bots - Doodling, Scribbling, Drawing, Racing Bots, motorized contraptions that are designed and built by kids, widen as wires are connected and Wiggle-Bots start to move, understanding and design through experimentation
Advanced programmable robotic kit, Ultimate 2.0 has more than 160 mechanical parts and modules, allows you to build 10 different configurations. Compatible with DIY platform, Arduino, and Raspberry Pi
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