1. Visit the wax museum
2. Have lunch or dinner at the resturents
3. Shopping for tradional chinese art works and clothing
4. View Hong Kong's night scene and victoria Harbour at night
you can see the night view of Hong Kong,because it is totally different with the day's view.Moreover,you can have a short walk from the Peak tram station to the Peak park,it is a good exercise for you and you can look around the country of Hong Kong.
furthermore,you can go to Madame Tussauds Museum to take pictures with the wax famous star ,for example,Twins and Jackie Chan.