Here is a project from Adafruit that shows you how to make a creepy animatronic crawling hand using servos and a Circuit Playground Express. This hand pulls itself along the floor slowly until it finds a dark, cold spot.
More gadgets like this: here
You are going to need 2 Eccentric Hub for TT Motors, 1 high torque metal gear servo, 1 x 2500 mAh battery, and a bunch of simple tools to pull this off.
[HT]
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