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.

• 0.5N,1N,2N,3N,5N 5pcs/set Coil Spring Group Junior Physics Mechanics Teaching Equipment Hooke's Law Teaching Equipment M-1197
• Color: As the picture show
• Feature:physics Teaching Instrument

0.5N,1N,2N,3N,5N 5pcs/set Coil Spring Group Junior Physics Mechanics Teaching Equipment Hooke's Law Teaching Equipment M-1197WDQY