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An ideal classroom pack of clear all purpose hot melt glue sticks
Cancel the vocal part and play the melody live
Thanks to their reliability and high quality
It is possible to add a pen or other extra parts to the kit to increase the range of tasks for which it can be used
Spring fitting available on request
Lascells Mini Ripple Tank N532622 An ideal classroom pack ofThis compact ripple tank unit provides an elegant method of demonstrating the wave phenomena of reflection, diffraction, refraction and interference with none of the setting up problems usually associated with ripple tanks. The concept has been further developed to offer new features and simplicity in this MkIII design. This makes the ripple tank experiment even more convenient. The unit is completely self contained with the translucent viewing screen
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