Bandai Namco unit MegaHouse to unveil zero-waste “Issun Block” bottle-cap toy at Tokyo Toy Show 2026

• Bandai Namco Holdings flagged a zero-waste product design that turns plastic bottle caps into “Issun Block” playable blocks.
• MegaHouse plans to unveil the natural mineral water product at TOKYO Toy Show 2026, starting Aug. 27 at Tokyo Big Sight.

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