🔬 Engineering Activity

Dual Function Robot

Build a simple robot that works as a fan and draws random patterns. An exciting engineering STEM activity for older school children.

🎓 Grade ⏱ 60–90 min ⭐⭐⭐ Hard 👨‍👩‍👧 Adult supervision needed
🤖
📋 How to Do This Activity
1
Step 1

Attach markers to the sides of the cardboard base so they touch the ground like legs

2
Step 2

Mount the DC motor in the centre of the cardboard base.

3
Step 3

Connect the battery connector wires to the motor terminals

4
Step 4

Place the robot on paper — when battery is connected the motor vibrates and the markers draw patterns

5
Step 5

Adjust the marker positions to change the drawing pattern — observe how motor speed affects output

🧠 What Your Child Will Learn
🤖
Robotics Basics

⚙️
DC Motors

🔌
Electric Circuits

📐
Engineering Design

⚠️ Safety Notes
• Adult must help with all electrical connections
• Do not short circuit the battery — keep wires insulated
• Use only 9V battery — never connect to mains power
• Ensure the motor is securely fastened before switching on
📚 School Board Alignment
School Board Topic Covered Grade
NCERT/CBSE Electricity, Force and Motion Grade 6–7
Samacheer Kalvi Electricity and Machines Standard 6–7
Cambridge Electricity, Forces Stage 6
Oxford Electricity, Engineering Grade 6–7
Try This With STEMLab! 🚀

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