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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
children can come up with their own tracks and designs
• 8 x push switches
Contents: 100 Equilateral Triangles
20 hexagons and an exploring booklet
This Sharpie Marker has a fine nib
Rubens Tube Without Amplifier 2M Clearance children can come up withIntended 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.
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