1: Pugh Chart
2: Surprising Christmas gift — Storybook with real snacks
I asked 15 persons to fill out the paper version survey. The picture of 9 ideas were attached in the paper survey.
survey question 1: which products are you willing to buy if these ideas are made to real products? How much will you pay for it?
substitute (dried fruit slices):
1: animal-shape dried apple slice
2: dried fruit slice ruler
3: dog toy with tongue made by fruit slice