- Once upon a time... travel, Blendin Blandin searches for the legendary Time Pirate's Treasure, and he needs Dipper and Mabel's help - and yours, too! Journey through time, exploring the dragon-infested medieval era, the weird-and-wild west, and the laser-and-giant-baby-filled future. Will YOU make the right choices to help find the greatest treasure ever known? Or is it only a matter of time before the twins and Blendin are clutched by the hands of time?! This all-new Select Your Own Choose-Venture time-travel treasure hunt features thrilling adventures, original artwork, and an exclusive double-sided poster!