Agreed, but rather than take it to the tip (and therefore have to pay fees to dump anyway) just don’t put your name on the box. Be the anonymous hero that the council needs, but very much does not deserve.
So glad to hear their fundraising outstripped the fines! If council won’t reward them (as they so obviously should have), I’m glad that the people rallied to do so.
We were taught a similar trick in physics - point your right-hand thumb in the direction that current (or electrons, same same) is travelling and the curling of your fingers shows the direction of the resultant magnetic field that the current creates.