uxcell 50 Pcs External Retaining Rings, 12mm 304 Stainless Steel E-Clip External Circlip Snap Rings Round Wire Snap Rings for Valves Electrical Appliances June_2023_update Designed with the open frame

Designed with the open frame Type and mount board

5mm Male & 6

pneumatic tube x1

if you have any issue with the bouncing ball for kids at any time

logarithmic

uxcell 50 Pcs External Retaining Rings, 12mm 304 Stainless Steel E-Clip External Circlip Snap Rings Round Wire Snap Rings for Valves Electrical Appliances June_2023_update Designed with the open frameuxcell 50 Pcs External Retaining Rings, 12mm 304 Stainless Steel E Clip External Circlip Snap Rings Round Wire Snap Rings for Valves Electrical Appliances Description: [Material] Made of 304 stainless steel, the surface is smooth and burr free. It has high hardness, is rust proof, and has anti corrosion and high temperature resistance. It is sturdy and durable, not easily deformed, and can be used for a long time. [Features] The Retaining Ring has