ENVIRONMENT & ENERGY
Rainwater Harvesting Model
Build a building model showing rooftop collection, filtration and storage.
LevelSchool / Beginner
Duration1–2 Weeks
Components₹500–₹1,200 CodingLow

Project overview
Build a building model showing rooftop collection, filtration and storage.
Build a building model showing rooftop collection, filtration and storage.
Components / materials required
✓Cardboard/foam board
✓PVC tubes/straws
✓Mesh/filter media
✓Storage bottle
✓Model roof
What the project demonstrates
✓Roof collection
✓First filter stage
✓Storage tank
✓Overflow path
Suggested build plan
01
Building model
Create roof and gutters.
02
Filter
Add simple layered filter demo.
03
Storage
Route water into tank.
Learning outcomes
✓Understand water conservation
✓Explain collection and filtration
✓Design a practical sustainability model
