Compost Guardians

Problem

• Fertilizer for the garden
• We need a composter
• Approved to use at the school

Awareness & Why

• 1,000 lbs. a month
• 9,000 1 school year 460 students in our school

Action Plan

• Building 3 wood houses by each other
• Locks

Cost analysis

• $0.00: upcycled items
• Lock: $15.99

Ecosystem

• Lock keeps people safe
• Goes in the garden
• Keeps animals out

Do Not Compost

• Meat
• Dairy causes smell
• Animal waste causes diseases
• Bones
• Treated wood
• Heavily colored paper
• Chemically treated lawn clippings
• Particle board and more

What to Compost

• Leftover organic waste
• Worms
• Leaves/plants
• Soil
• Grass clippings
• Newspaper
• Eggshells and more

Prototype

Reference

• your.caerphilly.gov.uk
• brookstone.com/wordlock-trunk-combination-lock