100 Piece of multipurpose plastic spacers. Outer diameter: 7 mm Inner diameter: 4 mm Height: 2 mm

Features: Compatible with Headless Set Screw M3x5 Sold in pair.

100 Piece of multipurpose plastic spacers. Outer diameter: 8 mm Inner diameter: 4 mm Height: 1 mm

?4 Pneumatic Tube, with 4mm of external diameter and 2.5mm of inner diameter, for smooth air transportation. Features: Water-resistant PU High flexibility & tangle resistant Low gas permeability Low compressibility Size Chart: Height/Width/Length: 140 x 200 x 10 mm (5.5 x 7.87 x 0.39 inch) Outside Diameter: 4mm Inside Diameter: 2.5mm Part List: 1 x 2m ?4 Pneumatic Tube - Blue Links: How to use ...

50 pieces of 4mm Nuts

Features: Material: steel Compatible with Makeblock Shaft Connector ,Shaft Collar, and Timing Pully 18T. Use HEX Allen Key 1.5mm to tighten.

Features: No soldering needed and ready to use Support Python programming Compatible with Model A,B, B+ With a RJ25 connector for Me Baseboard or Makeblock Orion Come with header, without occupying GPIO pins Specification: Dimension: 45 x 35 x 27 mm (Length x Width x Height)  User Guide: Getting started http://learn.makeblock.cc/s4rpi/

50 pieces of Nylon Lock Nut 4mm

The Button Head Socket Cap Screw is a new kind of Socket Cap Screw, it has a smaller head that can solve most problems of interfering with other components - Pack of 25 pieces Features: Made of stainless steel. Compatible with structures which have 4mm holes. Smaller head that can solve most problem of interfere with other components. Sold in packs of 25

The Button Head Socket Cap Screw is a new kind of Socket Cap Screw, it has a smaller head that can solve most problems of interfering with other components - Pack of 25 pieces Features: Made of stainless steel. Compatible with structures which have 4mm holes. Smaller head that can solve most problem of interfere with other components. Sold in packs of 25.    

36mm Motor Bracket is compatible with 36mm DC Motor. The U-Shape give it higher strength than the Versatile Motor Bracket. Features: Compatible with 36mm Motor. With alluminum alloy material, it can vertically bear high pressure. Specifications: Material: Aluminum alloy  Thickness: 3 mm  Length: 30 mm  Width: 24 mm  Height: 60 mm

Me Micro Switch is a physical switch. It sends a signal to the controller when it is triggered. It is perfect to use in conjunction with makeblock components. The Me-Micro Switch should be used with Me-RJ25 Adapter. Make sure Me RJ25Adapter has been connected to Me-BaseShield correctly.  Features: Small and easy to mount Cable included, no soldering needed Comes with Arduino library

Timing Pulley Slice 90T-B is the new version of Timing Pulley Slice 90T-Blue. As the "dam-board" of Timing Pulley 90T, Timing Pulley Slice 90T-B can prevent the sliping of the Timing Belt when working . Features: Made from 6061 aluminum , 0.8mm thick, anodized surface. 8 Plastic Rivets included. Sold in pack of 4.

In most cases ,when you buy some timing belts on the market, it is always not the size which you want or fixing open-end timing beltsis a big problem. Makeblock Belt connector can solve the problem. Belt Connector is usually used to fix open-end timing belt(width

50 pieces Plastic Rivet R40120, 4x12mm

The Button Head Socket Cap Screw is a new kind of Socket Cap Screw, it has a smaller head that can solve most problems of interfering with other components - Pack of 50 pieces Features: Made of stainless steel. Compatible with structures which have 4mm holes. Smaller head that can solve most problem of interfere with other components. Sold in packs of 50    

Made from 6061 aluminum extrusion, anodized surface. Excellent strength and twist resistance. With thread hole in the middle that compatible with the Fully Threaded Rod. Other holes without thread can be drilled for 4mm shaft. Threaded slot enables easy and flexible connection. Cross-sectional area 8x8mm, length 80mm. Sold in Pair.