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Creating a Wooden Robot Keychain
Creating a Wooden Robot Keychain
Grade Level: Middle School
Duration: 2–3 class periods (50 minutes each)
Objectives:
Objectives:
Learn basic woodworking and hand tool safety.
Practice measuring, cutting, and assembly skills.
Create a custom wooden robot keychain using screws and wood scraps.
Tools
Sanding block or paper
Screw driver
Drill
Back Saw
Introduction and Design
Introduction
Review the images of the robot
Review safety guidelines for using backsaws and drills.
Planning & Design (30 min):
sketch your robot's design on paper, deciding on placement for screws (eyes, arms, legs) and the mouth cut.
Be creative while maintaining functionality.
Tool Handling Practice
practice using the backsaw and drill on scrap wood.
Design Constraints
Criteria and constraints
The robot must be no larger than 2x3 inches and must stand on its own") and a testing phase at the end where students evaluate their robot against those criteria.
Construction
Cutting and Sanding (20 min):
Students use the backsaw to cut a straight line for the robot's mouth.
Sand edges and corners of the block for a smooth finish.
Assembly (30 min):
Drill pilot holes for screws (eyes, arms, and legs).
Insert screws carefully with a screwdriver. Ensure screws are not overtightened.
Day 3: Decoration and Final Touches
Adding Keychain Rings (10 min):
Drill a small hole at the top of the block and attach the keychain ring.
Decoration (30 min):
Students paint, stain, or decorate their robots as desired.
Cleanup and Reflection (10 min):
Students clean their workspace.
Share finished keychains and discuss challenges and successes in the process.
Assessment:
Assessment:
Participation: Observe students’ engagement and adherence to safety practices.
Design: Evaluate creativity and planning shown in sketches.
Product: Assess the completed keychain against the design constraints for craftsmanship and functionality.
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