Halloween is coming and you need to start practicing your tricks for the scariest day of the year! Do you want to win an Explosive Science kit? Than fill the form for a chance to win: A carregar... Good luck and have a scary Halloween! Open from 18th to 26th of October 2016. Only one entry for person. The winner will be randomly selected from a list with the valid entries. The award will be sent until one month after the winner is selected.