Hello! That sounds like an exciting trip to Singapore. Here are some valuable tips for your journey.

Best Time to Visit:
The best time to visit these locations in Singapore is during the dry season between February and April where there is less rain and the temperatures are comfortable.

Route and Accessibility:
Singapore has an efficient public transportation system which includes Mass Rapid Transit (MRT), buses, and cabs. All of your destinations are easily accessible via MRT or bus. You may also consider renting a car or using ride-hailing services like Grab.

Accommodation and Booking:
Accommodations range from luxury hotels to budget hostels. It's preferable to book accommodations well in advance, especially during peak tourist season. You may consider staying in central Singapore for easy access to all these destinations.

Clothing and Essentials:
Pack lightweight and breathable clothing, sunglasses, and sunscreen due to hot and humid weather. Bring a portable umbrella or raincoat as showers can occur unexpectedly.

Health and Safety:
Singapore is a very safe city with excellent healthcare facilities. Do drink plenty of water to stay hydrated in the heat. Ensure your routine vaccinations are up-to-date.

Local Etiquette and Respect:
Singaporeans appreciate good manners and respect for cultural diversity. Littering is strictly prohibited, and chewing gum is banned in the country. Always respect queue lines, especially at MRT stations and bus stops.