This component has a centre hole suitable to fit 5mm dowels or paper sticks. Pack of 20 pieces
This component has a centre hole suitable to fit 5mm dowels or paper sticks. Pack of 10 pieces
Grey plastic pulley wheels, which can be used to investigate changing speed and direction of movement or to create a motorised model. Has a 5mm-centre hole, which gives a tight fit on the 5mm dowel. Pack of 20 pieces
