About a year ago I presented at Teachmeet East Lancs, another presenter - @FrankFarrell, showcased the use of 3D images in class, it really caught my attention and was impressed with the idea here is his presentation:
Amazon for £1.50 for 3, meaning a class set will cost you £15.
A simple Google search will reveal hundreds of fantastic 3D pictures you can then use as a stimulus in the classroom with your 3D glasses.
The children can then really immerse themselves into the image which will spark their imagination, creating a real WOW moment that a teacher can harness into some quality writing.
Take this example (you will need 3D glasses) -