Rattle Back Puzzle

Rattle BackA popular scientific novelty, this is a boat shaped piece of plastic that you can spin by flicking one end with your fingertip, so it spins clockwise. Then it stops, and spins back on its own, anti clockwise, in a most intriguing way. 
Not new, but we got a supply of these at an amazing low price – less than what you would pay for one decent cigarette ! And this won’t spoil your health, or go up in smoke – it will keep you amazed and amused, and even educate you in Newtonian Physics when you learn how and why it works !
Get a bagful of these today – they make an extremely affordable giveaway – you could present one to all the kids in the audience, and it would cost you less than you think. Supplied without instructions.

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