What's inside a chocolate chip cookie? A surprising number of fun lessons in decision making, shopping and deep thinking.Kids LOVE this fun and engaging real-world comparison, cost analysis, and taste test of 2 different Trader Joe's chocolate chip cookies that kids can do solo or partnered up with other students. This is the perfect project-based learning activity to delight your class or home school with an educational treat!It stands alone or as part 4 in the Chocolate Chip Cookie School prog