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Lesson 3: Prototype three: Wind-up car

Choosing durable materials to build a wind-up car and comparing and evaluating the three car prototypes.
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Learning objective

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Before the lesson

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Lesson plan

1. Recap and recall

Explain that the children will be thinking about what makes a good product design by comparing different prototypes and sharing their opinions. Display the Presentation: Agree or disagree? and arrange the children in pairs. Select three volunteers to read out the three statements on the slide. Ask the pairs to discuss whether they agree with any of the statements and to explain their reasoning.

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In this unit

Assessment – D&T Y4: Mechanical carsLesson 1: Prototype one: Inclined planeLesson 2: Prototype two: Slingshot car
Lesson 3: Prototype three: Wind-up car
Lesson 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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