In late 2007, the Netherlands Vekoma introduced the project, compometinedose to respect the environment and minimize environmental and visual impact.
That same day, demonstrators gathered at the entrance to the park to protest the implementation of this attraction, and the alleged environmental damage they have caused the works.
After leaving the train station, it passes through a curve to the right to enter a small tunnel, where it starts rising 33 metres.
When they reached the highest this is a test point of the attraction to 522 metres on the sea level, it makes a curve to the right, and starts to fall with a Barcelona and Maresme.
How platforms were created Tibidabo SOS and Salvem Collserola, to collect signatures, and even travelled to Brussels to oppose this appeal against the European Parliament.
On 23 December 2008, coinciding with the attraction innaguración, were at the gate of the park with banners and mask with the photo of Jordi Hereu.
According to official sources, subsequently transferred to El País and La Vanguardia, 58 trees were removed, most felled, and much others transplanted to other places in the park.
The establishment of this attraction involves the removal of the former old roller coaster, named Montaña Russa, located on level 5.