Tech Directions - January 2009 - (Page 22) SWEET! Candy Bar Activity Teaches CAD, Math, and Graphics By George Granlund ggranlund622@yahoo.com Y far, the tastiest technology learning activity that my students work on is the development of the design of a chocolate candy bar. The activity gives students an opportunity to design a product and to take it from concept through to production. For students to focus on the problem, I provide them with the following design brief: “Arthur Hill High School has hired your design team to develop a chocolate-based candy bar to be used as a fund-raiser for the school. The bar must be competitively priced and positively reflect the image of the school.” I then assign students to four-person design teams that will develop (1) a unique bar name, (2) colorful packaging, (3) an appropriate bar shape, (4) a marketing catchphrase, and (5) a prototype of the bar. We begin the activity by looking closely at existing products (market research) to give us some frame of reference, because students have only consumed candy bars and have not had to dissect what makes up their marketability. Students perform taste-tests so that they can determine preferences, and they also look at the predominant color schemes used in the wrappers and then graph favorite colors and flavors of chocoGeorge Granlund taught applied technology at Arthur Hill High School, Saginaw, MI, when he wrote this article. He retired last spring. B late bar products. Each element of a wrapper serves a specific function and the class analyzes what the functions are. The design teams then brainstorm 40 or so names from various word categories and discuss preferences until they agree on 3 that they will present to the class. The class votes on the best name from each group. the names of real products after I give them some of the more common slogans, or straplines, that are used for those products. They readily identify “Just Do It” as being associated with Nike, and “Gimme a Break” with KitKat chocolate bars. The strapline that they finally decide on will be used on the wrapper and in a Design Folio that they will make to il- Commercial wrappers (left) provide ideas for label design. Below, a student graphs favorite colors. The remaining product design considerations such as a strapline, wrapper design, and ingredients will then revolve around the unique name. Once the team has settled on the product name, the team develops a “strapline,” or advertising slogan, that they can use to market the bar and that will bring brand-name recognition. During a part of the lesson, I challenge the class to come up with lustrate the team’s thinking throughout the design process. Team members then begin to specialize in order to focus on differ- 22 techdirections ◆ JANUARY 2009
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