When dry, these papers make delightful scratch 'n' sniff cards. Annie's Gingerbread Page has other gingerbread ideas, including recipes. Your Sense of Smell gives details about how we use our noses to smell. Your students can play a very easy game that reinforces an understanding of sight. Remove an object in the classroom when students aren't able to see.
Younger kids can play a version of the game with shapes.
The teacher may ask students to find something that is round, square, triangular, etc. or have them guess something the teacher sees that has one of these shapes. Pepsi's revival of its taste test asks consumers to try both Pepsi and Coca-Cola to determine which they prefer. You can try this even in the classroom. Pepsiworld offers a kit that has all the information necessary to conduct an official Pepsi challenge. Be sure to keep track of the students' predictions before they take the test and the actual results.