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Lesson 2: Prototype two: Slingshot car

Building a sustainable slingshot car prototype, focusing on choosing eco-friendly materials, making the chassis, conducting distance trials and creating an exploded diagram of the wheels and axles.
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Learning objective

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Before the lesson

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Lesson plan

1. Recap and recall

Use a book and one of the group's prototype one cars from Lesson 1: Prototype one: Inclined plane to demonstrate the car travelling down the ramp.

Ask the class to discuss with a partner the following questions and take feedback:

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In this unit

Assessment – D&T Y4: Mechanical carsLesson 1: Prototype one: Inclined plane
Lesson 2: Prototype two: Slingshot car
Lesson 3: Prototype three: Wind-up carLesson 4: Mechanical toy car kit: DesigningLesson 5: Mechanical toy car kit: Making and evaluating
Created by:
Kapow Primary Team
Kapow Primary Team
Our team comprises experienced classroom teachers who love the foundation subjectsFind out more
Maintained by: Kapow Primary teamLast update: 27 March 2026

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