bags full of items that you are studying, one bag for each group of 3 or 4 students. for example if you are studying food, you could bring in different kinds of fruit and vegetables.
put a list of questions on the board for students to ask each other like. what shape is it? what does it feel like? how heavy is it? what color do you think it is.
one member of the group sits facing the board so he/she can read the questions while the other members of the group put on blindfolds.
they then must choose one item out of the bag, pass it around and feel it. the person 