PreK-12 Engineering
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2.1 Identify tools and simple machines used for a specific purpose, e.g., ramp, wheel, pulley, lever.
  Invent a Backscratcher from Everyday Materials Grades:Pre K - 2  
Summary: Being able to recognize a problem and design a potential solution is the first step to the development of new and useful products. In this activity students will be creating a device to get that pesky itch in the center of your back. Once the idea is thought up the students will produce a design schematic (sketch). Students are given a variety of everyday materials and recyclables. With these materials, students will need to create a back-scratching device.
Full Activity(out of 5) | Difficulty: 5(out of 5) | Time: 45 Mins | Materials Cost: $0- $10
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