Lock Lai is the designer of Tinbot, which is also known as a magnetic tin robot collectible figures. He believes TinBot is a collective memory from the old days to the present. His creations on the Tinbot characters have expressed his freedom of imaginations through the different poses by its magnetic parts since 2013. In 2020, Lock has created his own sofubi - LOCK_AI to express himself even more as a designer and also as a big boss who controls all the tinbot by his robot controller.