[Science Toy] Pro'sKit Mr. Baogong 3-in-1 British Clockwork Clock GE-730

DIY model mechanism design, no batteries or motors required, three types of shape-changing robots, sports cars, and timers in one box! Clockwork mechanism, the secret of spring power, "the world's first plastic spring"! ★Scientific Principles: Gear Mechanical Principles ★ Power source: clockwork spring power ★ Applicable age: 8 years old and above ★ Assembly time: 1HR ★ Difficulty level: ★★★☆☆ ★ Origin: Made in Taiwan, designed in Taiwan https://www.youtube.com/watch?v=ooFqDqnJ_sY https://ref.prokits.com.tw/MallPic/GE-730/zh-TW/2021060711272039031.jpg https://ref.prokits.com.tw/MallPic/GE-730/zh-TW/2021060711272039032.jpg https://ref.prokits.com.tw/MallPic/GE-730/zh-TW/2021060711272039033.jpg https://ref.prokits.com.tw/MallPic/GE-730/zh-TW/2021060711272039034.jpg https://ref.prokits.com.tw/MallPic/GE-730/zh-TW/2021060711272039035.jpg https://ref.prokits.com.tw/MallPic/GE-730/zh-TW/2021060711272039036.jpg https://ref.prokits.com.tw/MallPic/GE-730/zh-TW/2021060711272039037.jpg https://ref.prokits.com.tw/MallPic/GE-730/zh-TW/2021060711272039038.jpg https://ref.prokits.com.tw/MallPic/GE-730/zh-TW/2021060711272039039.jpg https://ref.prokits.com.tw/MallPic/GE-730/zh-TW/2021060711272039040.jpg https://ref.prokits.com.tw/MallPic/GE-730/zh-TW/2021060711272039041.jpg https://ref.prokits.com.tw/MallPic/GE-730/zh-TW/202111221529277107.jpg https://ref.prokits.com.tw/MallPic/GE-730/zh-TW/2021060711272039043.jpg https://ref.prokits.com.tw/MallPic/GE-730/zh-TW/2021060711272039045.jpg https://ref.prokits.com.tw/MallPic/GE-634/zh-TW/2023072418095062914.jpg