Step 1: 💧 Water and 🌬️ Wind

Combine 💧 Water and 🌬️ Wind to create 🌊 Wave

Step 2: 💧 Water and 🔥 Fire

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

Step 3: 💧 Water and 🌍 Earth

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

Step 4: 🌍 Earth and 🌬️ Wind

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

Step 5: 🌬️ Wind and 🌬️ Wind

And then, combine 🌬️ Wind and 🌬️ Wind to create 🌪️ Tornado

Step 6: 💨 Steam and 🔥 Fire

As next step, combine 💨 Steam and 🔥 Fire to create 🚗 Engine

Step 7: 🌫️ Dust and 🌊 Wave

Combine 🌫️ Dust and 🌊 Wave to create 🏖️ Sand

Step 8: 💨 Steam and 🌱 Plant

Combine 💨 Steam and 🌱 Plant to create 🍵 Tea

Step 9: 🌱 Plant and 💧 Water

Combine 🌱 Plant and 💧 Water to create 🐊 Swamp

Step 10: 🌱 Plant and 🌱 Plant

Combine 🌱 Plant and 🌱 Plant to create 🌳 Tree

Step 11: 🌫️ Dust and 🌍 Earth

Combine 🌫️ Dust and 🌍 Earth to create 🪐 Planet

Step 12: 🌪️ Tornado and 🌫️ Dust

Combine 🌪️ Tornado and 🌫️ Dust to create 🌪️ Dust Storm

Step 13: 🚗 Engine and 🚗 Engine

Combine 🚗 Engine and 🚗 Engine to create 🚀 Rocket

Step 14: 🍵 Tea and 🏖️ Sand

Combine 🍵 Tea and 🏖️ Sand to create 🥪 Sandwich

Step 15: 🌳 Tree and 🐊 Swamp

Combine 🌳 Tree and 🐊 Swamp to create 🌱 Mangrove

Step 16: 🌪️ Dust Storm and 🪐 Planet

Combine 🌪️ Dust Storm and 🪐 Planet to create 🪐 Mars

Step 17: 🥪 Sandwich and 🚀 Rocket

Combine 🥪 Sandwich and 🚀 Rocket to create 🌌 Space Sandwich

Step 18: 🪐 Mars and 🌱 Mangrove

Combine 🪐 Mars and 🌱 Mangrove to create 🛰️ Mangalyaan

Step 19: 🛰️ Mangalyaan and 🌌 Space Sandwich

Combine 🛰️ Mangalyaan and 🌌 Space Sandwich to create 🥪 Mangalyaan Sandwich