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Science · Stage 6

Engineering Design

Follow the whole design cycle — define, plan, build, test, iterate, then present — and at every point, work out the right next move.

✦ Science📘 Stage 6 · S6⏱ ~12 min🧒 Ages 10–12★ Free to start
I can work out what to do next at each step of the engineering design cycle.
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Kavi the owl for Science
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Kavi's Egg-Drop Lander

Kavi 🦉 has a real engineering challenge: drop a raw egg 🥚 from the treetop so it survives AND lands on the target mat. "A real engineer doesn't just build and hope," hoots Kavi. "I follow the whole cycle — define the problem and the criteria, plan a design, build a prototype, test it, and if a check fails I iterate — improve one thing and test again. When every criterion passes, I present it and explain why it works. The secret is always knowing what to do next."

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What your child will learn

1A full project starts with a clear briefBefore an engineer builds anything, they pin down the brief: the problem, the criteria, the constraints, and a plan. Tap each part.
2The engineering design cycleA full design project is a loop. Each step has a clear next move — until a test fails, when you loop back to improve. Tap each step.
3What should you do NEXT?At each point in the project, work out the right next move. Predict, then tap to check. Tap Next test for more.
4Why the second lander worksAfter the egg cracked, Kavi iterated — changing ONE thing, then retesting. Tap each card to compare before and after.
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A peek inside

Kavi's brief: build a lander so the egg survives a drop and lands on the mat, using only paper, straws and tape. Kavi has just finished a labelled plan. What should Kavi do NEXT?
The plan is done. In the cycle, planning comes before building — so the next move is to build the prototype, then test it against the criteria.

Try this at home: Name the six steps of the engineering design cycle, in order.

Ready to play and learn?

Start the free interactive lesson, or print the handout for screen-free play.

Start the free lesson →⬇ Download PDF

Part of Science · Stage 6 · S6 on KAVI Academy — a secular, whole-child learning platform for ages 5–12.