Polaris 3D 【NEW】

極地企鵝上太空─還有熊Dream of being a scientist, a penguin travels north along, and runs into a smart polar bear in the Arctic. Both of them spend much time looking at the stars, and they are quickly hooked on a mysterious phenomenon–Polar Night and Polar Day–in both the Arctic and the Antarctica. How will these two novice astronomers reveal this mystery through reasoning and observation? A sp..more