Rubens Tube Without Amplifier 2M Early Years Players spin the spinner to

Players spin the spinner to see which times table they will be practising

Removable glass panels are provided at the front and back

and are mounted in line with 4mm socket terminals linked to the ends of the chain

Set of 20 See and Solve Number Puzzles in one giant bumper pack

Rubens Tube Without Amplifier 2M Early Years Players spin the spinner toIntended for teacher demonstrations only. The Rubens' Tube is an Aluminium tube with a row of small holes drilled along the top and 10W loudspeaker mounted at one end. Full instructions included. Users will need a gas source (Natural or LPG) and a power signal generator to run the speaker.