Pachinko Machine part 2

Materials:

• balsa wood
• wood scraps
• plastic canvas
• plexiglass
• eight small magnets
• 1.25" L x 1/4" diameter bolt
• 1/4" diameter nut
• two 1/4" diameter washers
• craft knife
• pencil
• ruler
• hack saw
• sandpaper
• low temp hot glue gun
• drill
• 1/4" and 5/8" drill bits
• wire strippers
• soldering iron and solder
• Arduino Uno
• 16 x 2 LCD display
• five IR breakbeam sensors
• 3 V piezo
• 5mm blinking LED
• switch or button
• 10 K potentiometer
• two 220 ohm resistors
• 5 V power supply
• half-sized breadboard
• electric tape, duct tape
• hookup wire
• Arduino sketch
• circuit diagram