20 分鐘
Up is Down and Down is Up! Lucy Wow: STEM Stories for Kids Who Love Inventing
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- 兒童教育
Things in Pflugerville take an upside-down turn when gravity is reversed! Now up is down and down is up! Lucy Wow needs to work together with Bobby and Grabstack to right the reversed gravity before everyone floats away!
Things in Pflugerville take an upside-down turn when gravity is reversed! Now up is down and down is up! Lucy Wow needs to work together with Bobby and Grabstack to right the reversed gravity before everyone floats away!
20 分鐘