"Probably 90 % of design concepts are stillborn," says Kiddie's Paradise's Chiu, who notes that it took four years to bring the second-generation Tai Chi Ball from concept to production. Considerations about what materials to use, those materials 'shrinkage ratios, and whether the track would adhere to the outer wall all impacted one another and slowed the process, making it a genuinely difficult endeavor.
「設計概念胎死腹中的比例有時高達 90 %，」童心園總經理邱義誠說，第二代太極球從設計到生產出來整整花了 4 年，從選用什麼材質、考量材質的收縮比例、軌道角度能否密合等等，彼此牽絆，難度相當高。