Quantity   Component name
1 × Xylophone ammoon 30 Note Glockenspiel Xylophone Wooden Frame Percussion Musical Instrument
30 × Xylophone Mallet JETEHO Drum Mallets, Bell Mallets Percussion Sticks for Kids Play Log Drums, Tongue Drums and Keyboard Percussion, 10.2"x0.8"
1 × Arduino UNO Microcontroller; Arduino Uno R3 Development Board
30 × Standard Servos HS-422 HITEC Servo Motor
2 × Servo Driver Adafruit PCA9685 16-Channel Servo Driver
1 × Power Supply Adafruit 5V 10A switching power supply