Sling that Newton\’s cradle in bin, there\’s a new obscenely-addictive desk toy in town – the Back to the Future Mini Magnetic Hoverboard. This officially-licensed Back to the Future plaything comes with miniature finger-friendly versions of Marty McFly\’s classic sneakers! Just slip them on, grab the hoverboard and let the futuristic technology of 2015 take over *cough* built-in magnets *cough*.