Inspired by the concept of Paying it Forward, we want to emphasize and recreate how people can be rewarded for their good deeds through projection, visual, smell and interactions. How it works: Users will be given a watering can before entering the exhibition and can use it together with the flashlight on their mobile phone to mimic the act of “watering” and “sunlight”. These actions will trigger the lights on the table to light up the different buds and flowers in sequence, leading the users to the big 3D flower on the wall with the projection mapping. This will be the result of the message of “Paying it forward”.