Quantity   Component name
1 × PS/2 Mouse Dell Logitech 2-Button PS/2 Ball Mouse M-SAW34
1 × Arduino UNO Or other Arduino boards
1 × Serial LCD 1602 16x2 Module With IIC/I2C Adapter Blue or green
1 × 12x12x7.3mm Momentary Tactile Push Button Switch with key cap
1 × 625zz bearing 5x16x5 Shielded Miniature Ball Bearing