How to go Ocean park from Tsin sha tsui, and ocean park to victoria peak, victoria peak to avenue of star and then from avenue of star going back to tsin sha tsui?

From Tsim Sha Tsui to Ocean Park: Take MTR Tsuen Wan line from Tsim Sha Tsui to Admiralty and transfer to bus 629 to the Ocean Park. The cost is HKD19.1.
From Ocean park to the Peak: you can take bus 629 back to Admiralty and transfer to bus 15 to the peak. It costs about HKD21.
From the peak to Avenue of star: take bus 15 back to Admiralty, then take Tsuen Wan line to Tsim Sha Tsui and walk to the Avenue of Star. It costs around HKD18.