For the roller coaster:
1. Heat in a saucepan 1/3 of the amount of water and once it is hot add the noodles. Remove from the heat and let them in the water for about 6-7 minutes. 
2. Then strain and marinate with the sesame oil and sesame seeds. Keep a minimum of sesame seeds to use on a later stage.
3. Heat the other 1/3 of the water in another pot and as soon as it warms up, remove from the heat.
4. Let cool a little and dip one by one the rice leaves until softened.
5. Transfer to a baking pan and open well.
6. In another pot, heat the remaining water and season with salt. Boil the cleaned shrimps for 20 seconds and then transfer to absorbent paper. 
For the sauce:
1. Finely chop the red hot pepper and garlic.
2. Transfer all the ingredients to a dispenser or a high pot and mash with a hand blender. On a cutting board cut the cucumber, the red hot pepper and the carrot into thin strips.