Rodin Star Brushless Electromagnetic Coil Motor Model with Hall Sensor,USB Powered STEM Display Product Information: Interested in an electromagnet...

Star Coil Brushless Motor Hall Sensor STEM Demonstration Model Kit Features: .This upgraded brushless motor model features bearings commonly used i...

Hall Brushless High Speed Vacuum Motor Demonstration Model, Interactive STEM Physics Experiment Desktop Display Features: .Driven by a precision Ha...

DIY Metal Wire Helicopter Model Kit with LED Light Strip - Rotatable Creative Desktop Decor Features: STEM Creativity & Wire Sculpture Craft:  ...

Stirling Engine RC Mecanum Wheel Vehicle with Crystal Cylinder, LCD Display - STEM Physics Model (Assembled) Features: Stirling Engine and Mecanum ...