These 6 easy steps will tell you how to make a wooden claw machine controlled with Arduino.
Step 1: Print All of Your Pieces
Either handcut or laser cut all of your pieces
Step 2: Aquire Your Parts
You will need 4 SG90 servos, 4 Potentiometers, and a box of half inch nuts and screws.
Step 3: Put You Pieces Together
Step 4: Code Arduino
Step 5: Wire
Step 6: Finish!
So the original instructions for this project came from https://www.instructables.com/member/Dzefri/, so go check his page out