This rubber ring is used to attach the ultrasonic sensor.

Hexagonal Metal Bolt 15mm M3 Female-Female ideal for mounting all kinds of printed circuit boards, sensors, mechanical parts.

Hexagonal Metal Bolt 8mm M3 Female-Female ideal for mounting all kinds of printed circuit boards, sensors, mechanical parts.

Hexagonal Metal Bolt 25mm M3 Male-Female ideal for mounting all kinds of printed circuit boards, sensors, mechanical parts.

Hexagonal Metal Bolt 15mm M3 Male-Female ideal for mounting all kinds of printed circuit boards, sensors, mechanical parts.

Hexagonal Metal Bolt 8mm M3 Male-Female ideal for mounting all kinds of printed circuit boards, sensors, mechanical parts.

Hexagonal Metal Bolt 5mm M3 Male-Female ideal for mounting all kinds of printed circuit boards, sensors, mechanical parts.

Hexagonal Metal Bolt 20mm M3 Female-Female ideal for mounting all kinds of printed circuit boards, sensors, mechanical parts.

Hexagonal Metal Bolt 30mm M3 Female-Female ideal for mounting all kinds of printed circuit boards, sensors, mechanical parts.

Hexagonal Metal Bolt 30mm M3 Male-Female ideal for mounting all kinds of printed circuit boards, sensors, mechanical parts.

Hexagonal Metal Bolt 35mm M3 Male-Female ideal for mounting all kinds of printed circuit boards, sensors, mechanical parts.

This Small DC 12V DC Motor is Perfect for Small Robotic Projects!

Yellow Rubber Wheels with a diameter of 3.7cm.

Set of 1 0 nylon studs ideal for mounting all types of printed circuit boards, sensors, mechanical parts.

This black polyurethane wheel measures 84mm in diameter and 24mm in width and works with 608 rpm bearings.

This Flame Sensor is sensitive to the flame, but also can detect ordinary light. Usually used as a flame alarm.