Big Bang Science Ltd will never pass on any details provided to any external person or company. Exceptions include and ARE limited to MailChimp who we use to our send emails, and Facebook (through whom we can show you advertisement) . You will recieve emails with FREE experiments and AMAZING facts. You will also recieve other occasional promotional material relating to the services of Big Bang Science ltd ONLY. You can unsubscribe at any time using the link in any/all of our emails.