Step 1: 💧 Water and 🌍 Earth

Combine 💧 Water and 🌍 Earth to create 🌱 Plant

Step 2: 💧 Water and 🔥 Fire

Next, combine 💧 Water and 🔥 Fire to create 💨 Steam

Step 3: 💧 Water and 💧 Water

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

Step 4: 🌍 Earth and 🌬️ Wind

Now, combine 🌍 Earth and 🌬️ Wind to create 🌫️ Dust

Step 5: 🔥 Fire and 🔥 Fire

And then, combine 🔥 Fire and 🔥 Fire to create 🌋 Volcano

Step 6: 🌱 Plant and 🌱 Plant

As next step, combine 🌱 Plant and 🌱 Plant to create 🌳 Tree

Step 7: 🌱 Plant and 🌬️ Wind

Combine 🌱 Plant and 🌬️ Wind to create 🌼 Dandelion

Step 8: 🌍 Earth and 🌍 Earth

Combine 🌍 Earth and 🌍 Earth to create 🏔️ Mountain

Step 9: 💨 Steam and 🔥 Fire

Combine 💨 Steam and 🔥 Fire to create 🚗 Engine

Step 10: 🌊 Lake and 🌊 Lake

Combine 🌊 Lake and 🌊 Lake to create 🌊 Ocean

Step 11: 🌋 Volcano and 🌫️ Dust

Combine 🌋 Volcano and 🌫️ Dust to create 🌋 Ash

Step 12: 🌳 Tree and 💧 Water

Combine 🌳 Tree and 💧 Water to create 🌊 River

Step 13: 🚗 Engine and 🌼 Dandelion

Combine 🚗 Engine and 🌼 Dandelion to create 🚁 Helicopter

Step 14: 🚗 Engine and 🏔️ Mountain

Combine 🚗 Engine and 🏔️ Mountain to create 🚂 Train

Step 15: 🌋 Ash and 🌊 Ocean

Combine 🌋 Ash and 🌊 Ocean to create 🧂 Salt

Step 16: 🚁 Helicopter and 🌊 River

Combine 🚁 Helicopter and 🌊 River to create 🚁 Amphibious Helicopter

Step 17: 🧂 Salt and 🚂 Train

Combine 🧂 Salt and 🚂 Train to create 🧂 Salty

Step 18: 🧂 Salty and 🚁 Amphibious Helicopter

Combine 🧂 Salty and 🚁 Amphibious Helicopter to create 🐸 Saltamphibian