The mother of all Wisps is a much larger, pink one named Mother Wisp. Whisper initially refuses, but her team of Wisps convinces her to let Tangle accompany them. Thin sections of Ediacaran fossils show lichen-like compartments and hypha-like wisps of ferruginized clay. They were made of wisps of dried grass or leaves. Suspicious, Sonic and Tails investigate and rescue two Wisps from Orbot and Cubot. The Wisps carry Sonic out of the exploding amusement park. They collected power-ups like invincibility, Wisps, rings, and crystals. "Sonic Colors" introduced the Wisps, a race of extraterrestrial creatures that act as power-ups. Gollum tells them "not to follow the lights", meaning the will o' the wisps. Critics have given mixed opinions toward Wisps and their integration into "Sonic" gameplay. Douglas, however, preferred basic platforming over using the Wisps. A special edition was also sold in Europe, featuring figurines of Sonic and the Wisps. They meet Yacker, who comes from a species of aliens known as Wisps. It is usually ordered by the local municipality from commercial WISPs. The gameplay was praised, particularly for the Wisps and its replay value.