I read about the IKEA display case in the comments on Imgur (and I had thought it looked familiar), but then I started wondering about the details of the LED installation and the method used to suspend the rocket in the case.The case is a basic Ikea Detolf display case. I'm guessing the flames are cotton balls with red/orange LEDs.
EDIT: Yup. https://medium.com/@realasa/making-a-lego-saturn-v-blast-off-af5adc55d6f