Percussion Plus red plastic wind whistler A413641 so when the adjustable tee

so when the adjustable tee gets knocked over it will pop back up

floor and kitchen surfaces

the units benefit from a breakfast bar at one end

No need to mess with delicate sizing mechanisms

They feature a single-sided cable and are ideal for listening to music on the move

Percussion Plus red plastic wind whistler A413641 so when the adjustable teeThese whistling tubes or 'noise makers' will keep children entertained for hours, whilst also demonstrating the fascinating physics behind music. To play, simply twirl the red tube around in the air. The air moving through the instrument produces a range of tones, loosely on the harmonic scale. When twirling the Wind Whistler, the air molecules within the tube begin to bump together and these vibrations produce sound waves. When you twirl faster, a