ITEM NAME:1Pcs Technic Parts Pneumatic Switch with Pin Holes and Stepped Outlets FT Item Name:Â Technic Parts Pneumatic Switch with Pin Holes and Stepped Outlets 1.High quality same as top brand technic series 2.Diy toy,can assemble freedom to create a new design 3.Perfectly pull&insert,easily be assembled and disassembled Package: 1 piece.Perfectly pull&insert,easily be assembled and disassembled.