
Technology • 30 • 20 students • Created with AI following Aligned with New Zealand Curriculum
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Challenge: Design and make a structure to help Rapunzel to get down the tower. (stacking cups) (building a tower from sticks and plasticine, eiffel tower time lapse) Structure Challenge: Rapunzel (wide bases) The Mission: Design a way for Rapunzel to escape the tower (problem solving) The Materials: Straws, popsicle sticks, string, paper, cardboard, or wooden blocks The Hands-On Test: Does your design reach Rapunzel in her tower? The Health/Mitey Connection: Discuss what it means to be a problem solver. When we are angry/sad/frustrated it is tricky to solve problems. Sometimes we need help, sometimes we needs space/ time when we have a problem to solve. Could Rapunzel have found her own way out of the tower? Or did she need help? Rapunzel STEM
Students work in groups of four to design and make a structure that could help Rapunzel escape from a tower. They will explore how a wide base, strong joins and different shapes can make a structure more stable, then test and improve their ideas.
0–4 min · Mission hook. Open with the Rapunzel rescue story and challenge image and show a short teacher-selected clip or stills of a stick-and-putty tower being built and tested. Tell students: “Rapunzel is in a tower. Can we design a safe way to help her get down?” Students briefly share ideas with a partner and identify what the structure must do.
4–8 min · Explore stability. Demonstrate two small cup structures: a tall narrow stack and a pyramid with a wide base. Invite students to predict which will wobble or fall, then test both gently. Explain that a wide base can help a structure stay stable; point out triangles in the pyramid and in the tower images. Students use their hands to show “narrow” and “wide” and make one prediction.
8–11 min · Plan the solution. Display the success criteria using the design steps and success criteria. In groups of four, students complete the Rapunzel design sheet by drawing a structure, circling or naming materials, and showing where Rapunzel will be reached. Assign roles: designer, builder, materials manager and tester/reporter. Remind students that the design can change during building.
11–23 min · Make and adapt. Provide each group with a small selection of straws, popsicle sticks, string, paper, cardboard, plasticine and/or wooden blocks. Students build a structure that reaches the teacher’s Rapunzel figure, placed at a safe, agreed height or position. Encourage groups to start with a wide base, join parts securely and use fewer materials carefully. Circulate and ask: “What is holding this up?”, “Where is the widest part?”, “What could you change?” Return to the build-and-test instructions for a two-minute warning and safe pack-up reminder.
23–27 min · Test and improve. Groups test one at a time while classmates watch respectfully. The tester checks: Does the structure reach Rapunzel? Does it stay standing for five seconds? Does it use a wide base? Students make one quick improvement, such as widening the base, adding a cross-piece or strengthening a join, then test again. Record results on the worksheet with a drawing or simple tick.
27–30 min · Reflect and connect. Gather students and revisit the reflection questions. Invite two or three groups to share what worked and how they improved their design. Discuss: “What does it mean to be a problem solver?” “How can anger, sadness or frustration make solving a problem tricky?” “When might we need help, space or time?” Ask whether Rapunzel could solve the problem alone or might need help, linking this to safe help-seeking. Students complete the worksheet sentence: “Next time I would…”
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