What are some tips for finding hidden recipes for vehicles in Little Alchemy 2?

In Little Alchemy 2, finding hidden recipes for vehicles can be both challenging and rewarding. Vehicles are often created by combining elements that represent movement, machinery, or transportation. Here are some tips and specific steps to help you discover vehicle-related recipes:

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General Tips for Finding Hidden Recipes:
1. Think Logically: Vehicles are typically made by combining elements related to motion, engines, or transportation. For example, think about combining "wheel" with other elements like "metal" or "engine."
2. Experiment with Common Vehicle Components: Focus on elements like wheel, metal, engine, wood, steel, and human.
3. Use the "Hint" Feature: If you're stuck, the game's hint system can guide you toward undiscovered combinations.
4. Check the Encyclopedia: Once you unlock a vehicle, check its description in the encyclopedia for clues about related recipes.

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Specific Vehicle Combinations:
Here are some vehicle-related recipes to help you get started:

1. Car:
- Wheel + Wheel (creates a cart)
- Cart + Engine (creates a car)

2. Bicycle:
- Wheel + Wheel (creates a cart)
- Cart + Human (creates a bicycle)

3. Motorcycle:
- Bicycle + Engine (creates a motorcycle)

4. Train:
- Cart + Steam Engine (creates a train)
- Steam Engine can be made by combining Fire + Boiler.

5. Airplane:
- Bird + Metal (creates an airplane)
- Alternatively, Bird + Machine also works.

6. Boat:
- Water + Wood (creates a boat)
- Alternatively, Water + House creates a houseboat.

7. Rocket:
- Metal + Fire (creates a rocket)
- Alternatively, Metal + Explosion also works.

8. Truck:
- Car + Big (creates a truck)
- Big can be made by combining Philosophy + Planet.

9. Sailboat:
- Boat + Wind (creates a sailboat)
- Wind can be made by combining Air + Motion.

10. Submarine:
- Boat + Metal (creates a submarine)

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Advanced Tips:
- Combine Vehicles with Other Elements: Once you have a vehicle, try combining it with other elements to create new ones. For example, Car + Water creates an Amphibious Vehicle.
- Use the "Myths and Monsters" or "Alchemy" Content Packs: These expansions introduce new elements that can lead to unique vehicle combinations.
- Think Outside the Box: Some vehicles, like the Time Machine, require unconventional combinations (e.g., Alchemist + Car).

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By following these tips and experimenting with the combinations above, you'll be well on your way to discovering all the hidden vehicle recipes in Little Alchemy 2!