Single Pulley for use in science experiments and to observe mechanical advantage.
Double Pulley for use in science experiments and to observe mechanical advantage.
Triple Pulley for use in science experiments and to observe mechanical advantage.
Convert an empty plastic drinks bottle into a flying rocket. Kit includes: Fins Attachment valve Tubing Instructions You will need a bicycle pump to provide the compressed air.
Convert an empty plastic drinks bottle into a flying rocket.
You will need a bicycle pump to provide the compressed air.
10 cams produce an undulating movement in the caterpillar segments. The friction bearing turns a shaft which makes a butterfly circle overhead.
