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.

• Light Set with Track Optical Physics Laboratory Equipment Physical Instrument Teaching Instrument for Middle School S-1297
• light source part is 78 mm
• Total length of 540 mm

Light Set with Track Optical Physics Laboratory Equipment Physical Instrument Teaching Instrument for Middle School S-1297WDQY