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Plan
By Phase By Day Calendar
Discover
Students will launch the project as product designers by examining Chicago's broken-toy challenge, identifying the needs of toy users, and developing inquiry questions that will guide later materials research, prototyping, testing, and repair-guide development.
Days 1 - 3
🧸 Challenge Definition
Deliverable 60m
👨‍👩‍👧 End User Overview
Deliverable 55m
🔎 Inquiry Questions
Deliverable 60m

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Examine
Students will investigate material properties, toy failure points, waste impacts, stakeholder perspectives, and repair strategies so they can identify root causes and propose an evidence-based repairable toy concept for the Chicago Public Library.
Days 4 - 14
🧩 Repairable Toy Materials Vocabulary
Knowledge/Skill Building 50m
🔬 Materials Property Test Stations
Knowledge/Skill Building 60m
📰 Reliable Toy Research Sources
Research 55m
🎤 Library and Materials Expert Q&A
Community Experience 60m
📚 Source Evaluation Report
Deliverable 60m
♻️ Toy Waste Cause Research
Research 55m
🕸️ Broken-Toy Cause Map
Knowledge/Skill Building 55m
🌳 Root Cause Analysis
Deliverable 60m
🔧 Repair Strategy Evidence Hunt
Research 55m
📐 Three-Concept Decision Matrix
Project Work 60m
💡 Solution Proposal
Deliverable 60m

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Engineer
Students will work as product designers to select repairable materials and connections, study effective exemplars, develop a testable hypothesis and creation plan, and build and revise a first prototype and repair-guide draft for the Chicago Public Library.
Days 15 - 21
🔩 Reversible Joints Lab
Knowledge/Skill Building 55m
🔍 Exemplar Exploration
Deliverable 55m
🧪 Hypothesis
Deliverable 45m
📐 Exploded-View Repair Sketches
Knowledge/Skill Building 50m
🗺️ Creation Plan
Deliverable 60m
🛠️ Repairable Toy First Build
Project Work 60m
📘 Solution Development Report
Deliverable 60m

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Do
Students will implement controlled use-and-repair tests of their repairable toy prototypes, collect measurable evidence, locate failure points, and revise their prototypes and repair guides before sharing them with the Chicago Public Library audience.
Days 22 - 23
🧪 Implementation and Data Collection Plan
Deliverable 55m
📊 Implementation Results
Deliverable 60m

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Share
Students will present their repairable toy prototypes and field-tested repair guides to an authentic audience, then use evidence from the DEEDS process to reflect on their growth and community impact.
Day 24
🪞 Growth Reflection
Assessment 60m

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