How Star Wars walked away from the world's first self-retracting lightsaber toy
Briefly

The Power Saber represents a monumental step in toy design, offering children a true lightsaber experience with its retractable blade, marking a significant advancement in toy technology.
Yair Shilo, the Israeli inventor, describes the long journey to develop the retractable blade as not just a personal achievement but a fulfillment of his childhood dream amidst many challenges.
Read at The Verge
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