9.81 Park is an eco-friendly Gravity Racing theme park featuring self-developed engineless racing carts that utilize gravitational force (g=9.81 m/s2) to race down sloping tracks. Keeping the essence of Gravity Racing alive while at the same time finding the right form of expression for 9.81 Park’s vision of creating a smart-technology infused new era of joy was the main focus during the interior space design of the smart theme park. With the design keyword of innovation in mind, the goal was to keep the challenge alive by amplifying the notion of a new type of theme park and infusing liveliness into the space, highlighting the raw emotionality and excitement racing sparks.