Barnabas Robotics 10 pcs Mini Vibration DC Motor Using 15V3V STEM Vibrating Experiment 130 Hobby Size

[GREAT FOR DIY/STEM ROBOT PROJECTS] Make simple vibrating robots using these 130 sized vibration motors. Example projects include: scribble-bot, wobble-bots, bristle-bot, brush-bots massagers, etc., [POWERFUL VIBRATION AT LOW VOLTAGE] Turn on the vibration motor with a single AA battery (1.5V). Get higher speed and torque with two AA batteries (3.0V). Standard non-vibration version requires DIY eccentric wheel., [Standard 130 Hobby Size] Fits standard 130 hobby motor dimensions: 27mm x 20mm x 15mm, [BUILT-IN ECCENTRIC WHEEL FOR VIBRATION] Built-in eccentric wheel creates a powerful vibration. Dimensions: 8mm x 5 mm. Standard non-vibration version does not include eccentric wheel., [PERFECT FOR CLASSROOM PROJECTS] Are you a teacher looking for motors for your circuit or robotics lesson? Each child can build a robot with this motor without breaking the bank!