Step 1: 💧 Water and 🌬️ Wind

Combine 💧 Water and 🌬️ Wind to create 🌊 Wave

Step 2: 💧 Water and 💧 Water

Next, combine 💧 Water and 💧 Water to create 🌊 Lake

Step 3: 💧 Water and 🌍 Earth

Then, combine 💧 Water and 🌍 Earth to create 🌱 Plant

Step 4: 💨 Steam and 🌱 Plant

Now, combine 💨 Steam and 🌱 Plant to create 🍵 Tea

Step 5: 💧 Water and 🔥 Fire

And then, combine 💧 Water and 🔥 Fire to create 💨 Steam

Step 6: 🌊 Wave and 🌱 Plant

As next step, combine 🌊 Wave and 🌱 Plant to create 🌊 Seaweed

Step 7: 🌱 Plant and 💧 Water

Combine 🌱 Plant and 💧 Water to create 🐊 Swamp

Step 8: 🌱 Plant and 🌊 Lake

Combine 🌱 Plant and 🌊 Lake to create 🌸 Lily

Step 9: 🌍 Earth and 🌍 Earth

Combine 🌍 Earth and 🌍 Earth to create 🏔️ Mountain

Step 10: 💨 Steam and 🔥 Fire

Combine 💨 Steam and 🔥 Fire to create 🚗 Engine

Step 11: 🍵 Tea and 🏔️ Mountain

Combine 🍵 Tea and 🏔️ Mountain to create 💧 Mountain Dew

Step 12: 🌊 Seaweed and 💨 Steam

Combine 🌊 Seaweed and 💨 Steam to create 🍣 Sushi

Step 13: 🌸 Lily and 🐊 Swamp

Combine 🌸 Lily and 🐊 Swamp to create 🌺 Lotus

Step 14: 🚗 Engine and 🏔️ Mountain

Combine 🚗 Engine and 🏔️ Mountain to create 🚂 Train

Step 15: 🍣 Sushi and 💧 Mountain Dew

Combine 🍣 Sushi and 💧 Mountain Dew to create 🍣 Mountain Sushi

Step 16: 🚂 Train and 🌺 Lotus

Combine 🚂 Train and 🌺 Lotus to create 🚅 Bullet Train

Step 17: 🚅 Bullet Train and 🍣 Mountain Sushi

Combine 🚅 Bullet Train and 🍣 Mountain Sushi to create 🚅🍣 Bullet Train Sushi