Problem: Air quality indoors can be bad, and people find the need to use air purifiers, but these use electricity, let's solve this.

Solution: Create window curtains or shutters with built-in air-purifying materials that clean the air as it passes through.

Problem: Water is left running while brushing teeth, wasting water. EXTRA: Not only washing teeth, also in the shower, and washing dishes.

Solution: Design a faucet attachment like a clock that shuts off water automatically after a certain time, the time chosen. You can restart this clock anytime, and change it's duration.

Problem: Most phone stands are made from non-recycled materials, and they don't have many functions.

Solution: Create a 3D model of a phone stand made from recycled plastic and materials with a spot for a charging cable, making it eco-friendly and practical for everyone.