I bought the 2-day Safari + Vinwonders combo, and the staff enthusiastically advised me on the route to visit the most places. Buying a combo should save you a little more.
Traveloka Sdn Bhd (Registration No. 201501003122), Level 14 Tower 2, Menara Kembar Bank Rakyat, 33 Jalan Rakyat Brickfields, 50470 Kuala Lumpur, Malaysia