发表于2024-09-07
Amazing Air Racers 2024 pdf epub mobi 电子书
图书标签:
What makes an air-racer go? Explore the science behind electricity, electromagnets, and propellers while building two fun racecars! Race yourself or your friend on the gravity-defying racetracks, tunnels, and homemade roller-coaster ramps described in the book. Or make an amazing air-racer course of your own!
Amazing Air Racers 2024 pdf epub mobi 电子书