"Spirit of Wonder: Scientific Boys Club" is a short anime series based on the manga by Kenji Tsuruta. The story is set in an alternate version of the late 19th century, blending historical elements with steampunk aesthetics and fantastical science. The narrative centers around a group of eccentric inventors and dreamers who form the Scientific Boys Club, a society dedicated to exploring the boundaries of science and imagination.

The protagonist, Miss China, is a brilliant and determined young woman who serves as the club's secretary and often acts as the voice of reason among the group. The club is led by Dr. Breckenridge, a visionary but somewhat absent-minded scientist whose ambitious projects often lead to unexpected and whimsical outcomes. Other key members include Jim Floyd, a resourceful engineer, and Professor Beard, an older, more cautious inventor who provides a counterbalance to Dr. Breckenridge's wild ideas.

The series unfolds through a series of episodic adventures, each focusing on the club's attempts to achieve groundbreaking scientific feats. These endeavors range from constructing a massive telescope to observe distant galaxies to attempting to harness the power of the Earth's core. The stories often highlight the tension between scientific ambition and the practical challenges of realizing such dreams, as well as the camaraderie and occasional conflicts among the club members.

A recurring theme is the interplay between science and wonder, as the characters' inventions frequently blur the line between reality and fantasy. The series also explores the personal motivations of its characters, particularly Miss China, whose dedication to the club stems from a deep-seated desire to prove herself in a male-dominated field. The narrative is infused with a sense of optimism and curiosity, celebrating the spirit of exploration and the pursuit of knowledge.

The tone of the series is lighthearted and whimsical, with moments of humor and charm, but it also touches on deeper themes of perseverance, creativity, and the human drive to push beyond the known limits of the world. The steampunk setting provides a rich backdrop for the story, with detailed mechanical designs and anachronistic technology that enhance the sense of wonder and adventure. Overall, "Spirit of Wonder: Scientific Boys Club" is a celebration of scientific curiosity and the boundless possibilities of the imagination.