There are 12 models in this series, including 10 regular models, I surprise model, and 1 secret style. Among them, the probability of getting regular model is about 9.79%, the probability of getting surprise model is about 1.04%, and the probability of getting secret model is about 1.04%. That is, for every 96, 1 surprise model will randomly replace 1 regular model. And every 96, there will be 1 secret model randomly replacing 1 regular model.