Lego Pet is a pet shop in Mong Kok that sells cat food and cat litter, located on Tung Choi Street in the Goldfish Market area. Its representative cat litter products produce little dust, have almost no smell, and have strong absorbency and clumping ability. Staff explain how to choose food and also consult on various cat issues, and a cat manager is present in the store. On event days, one bag of 2-liter cat litter is given as a gift.