Where can I purchase the Avengers Hero Inventor Kit? Quinn McRae September 12, 2018 20:17 Updated The Avengers Hero Inventor Kit is available on littleBits.com and Amazon in the US and select retailers in Canada, Germany, United Kingdom, Spain, France, Italy, Australia, and New Zealand. Related articles Where is the content for littleBits Educators? Where are all the inventions and lessons? Where are the instructions for these new Kits? (2018 Inventor Kits) Where are the instructions for the Avengers Hero Inventor Kit?