Plot
One day, 12-year-old Sandy Brown receives a package from her long lost grandfather containing a stuffed Koala named Blinky that was lost in a shipwreck 38 years ago. Sandy gives the koala a Noozle (another term for an Eskimo Kiss) and it revives him from "magic sleepytime". His first word is "Blinky!!" in response to Sandy thinking out loud what she should name the bear right before she awakens him. They are soon joined by Blinky's sister Pinky, who appears out of thin air soon after Blinky is awakened, and demands immediately that Blinky return with her to KoalaWalla Land. Blinky refuses however, and the trio go on to have many adventures together. Blinky is able to sustain himself while living on Earth with Sandy because of the Eucalyptus trees that Sandy's grandmother had planted 38 years ago when Sandy's grandfather, an archaeologist who had mysteriously disappeared while on an expedition to Ayers Rock, just before the ship was lost, told her that he was sending a Koala as a gift, as Sandy's grandmother had expressed that she had always wanted one as a pet.
It takes Sandy some time to determine that the "noozle" is the action that revives Blinky from magic sleepytime. She does this several times without thinking about it, and gets frustrated over the fact that Blinky falls asleep repeatedly (during which time his appearance is similar to that of an ordinary stuffed animal) and stubbornly refuses to awaken until she realizes what she must do to revive him. Early in the series, Sandy decides to introduce Blinky and Pinky to her grandmother, but decides to keep them a secret to everyone else.
About halfway through the series, Blinky and Pinky bring Sandy to their homeworld of KoalaWalla Land. KoalaWalla Land is a parallel dimension inhabited by anthropomorphic koalas, kangaroos, platypuses, cassowaries, kiwi birds, and frill-necked lizards. It is ruled by a wise old koala known as the High Dingy Doo. Humans aren't allowed in KoalaWalla Land, so Sandy has to wear a koala mask. A portal to KoalaWalla Land can be found at Ayers Rock.
Unlike Earth, KoalaWalla Land is a spherical-space rather than a solid planet, and its "core" is a crystalline tesseral (known simply as "The Crystal Place") filled with brightly colored orbs, which when touched by bare hands immediately entrap that person's essence forever with no escape. Sandy's grandfather, who had discovered the entrance to KoalaWalla Land while exploring Ayers Rock, purposely became trapped in the Crystal Place; and when Sandy finally locates him, only his spirit remains within the orb, trapped in a limbo-like state. She is able to communicate with him empathically by placing her hands towards her grandfather's, palm to palm, with only Pinky's protective bubble preventing direct contact with the orb. He tells her to learn from the creatures of KoalaWalla Land and to understand how their community has come to survive in a world of love and companionship. Finally, he delivers the cryptic message "as the world of KoalaWalla Land goes, so goes the world of mankind." Sandy wants to know what he means, but that's all he can tell her, and he tells her that more will be revealed in due time.
Meanwhile, Sandy's father Alex, who is also an archaeologist like his father before him, is exploring Ayers Rock and trying to solve the mystery of what happened to his father 38 years ago. While there, he finds a mysterious crystal.
