Step 1: 💧 Water and 🌍 Earth

Combine 💧 Water and 🌍 Earth to create 🌱 Plant

Step 2: 🌬️ Wind and 🌬️ Wind

Next, combine 🌬️ Wind and 🌬️ Wind to create 🌪️ Tornado

Step 3: 💧 Water and 🔥 Fire

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

Step 4: 💧 Water and 🌬️ Wind

Now, combine 💧 Water and 🌬️ Wind to create 🌊 Wave

Step 5: 🌍 Earth and 🌬️ Wind

And then, combine 🌍 Earth and 🌬️ Wind to create 🌫️ Dust

Step 6: 💨 Steam and 🌱 Plant

As next step, combine 💨 Steam and 🌱 Plant to create 🍵 Tea

Step 7: 🌪️ Tornado and 🌪️ Tornado

Combine 🌪️ Tornado and 🌪️ Tornado to create 🌀 Hurricane

Step 8: 💨 Steam and 🔥 Fire

Combine 💨 Steam and 🔥 Fire to create 🚗 Engine

Step 9: 🌬️ Wind and 🔥 Fire

Combine 🌬️ Wind and 🔥 Fire to create 💨 Smoke

Step 10: 💨 Smoke and 🌊 Wave

Combine 💨 Smoke and 🌊 Wave to create 🏄 Surf

Step 11: 🌫️ Dust and 💧 Water

Combine 🌫️ Dust and 💧 Water to create 💩 Mud

Step 12: 🌀 Hurricane and 🍵 Tea

Combine 🌀 Hurricane and 🍵 Tea to create 🍵 Teacup

Step 13: 🚗 Engine and 🚗 Engine

Combine 🚗 Engine and 🚗 Engine to create 🚀 Rocket

Step 14: 🏄 Surf and 💨 Smoke

Combine 🏄 Surf and 💨 Smoke to create 🏄 Surfer

Step 15: 🍵 Teacup and 💩 Mud

Combine 🍵 Teacup and 💩 Mud to create 🍵 Muddy Teacup

Step 16: 🏄 Surfer and 🚀 Rocket

Combine 🏄 Surfer and 🚀 Rocket to create 🤖 Iron Man

Step 17: 🤖 Iron Man and 🍵 Muddy Teacup

Combine 🤖 Iron Man and 🍵 Muddy Teacup to create 🍵 Iron Teacup