The shipment will be arranged in 1-3 working days( not including customized product), and takes about another 3-9 working days to reach you.

• 440HZ Resonance Tuning Fork Wooden Speaker Steel Fork Teaching Fork Physical Acoustics Laboratory Instrument Resonance Box M-1254
• Feature:Physical Teaching Instrument
• Color: As the picture show

440HZ Resonance Tuning Fork Wooden Speaker Steel Fork Teaching Fork Physical Acoustics Laboratory Instrument Resonance Box M-1254WDQY