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Biomimicric implementations provide positive contributions to the development of many abilities such as problem solving, creative thinking and productivity by enabling students to look at nature from a different perspective. For this reason, in this study, it was investigated how the biomimicric applications of the macro, micro, and sub-micro nature of freshwater creatures were reflected in their arguments with special gifted students. The research was planned as a summer workshop in an institution that teaches with special gifted students in Ankara in the 2017-2018 academic year, and was carried out on the basis of case study from qualitative research patterns with eight gifted students. In a two-stage study, gifted students conducted microscopic and literature research on freshwater creatures in the first stage and made drawings about the macro, micro, and sub-micro nature of living things. In the second phase, they discussed their biomimicric prototypes in groups and explained them with their arguments. In the study based on document analysis, the data were obtained from students' worksheets and analyzed by content analysis. As a result of the research, it can be said that the concept images of gifted students develop with macro, micro, and sub-micro drawings and the quality of the arguments they construct has become more qualified during the process, and the application contributes to their creative and analytical thinking.

2e (twice-exceptional) students are gifted and differently-abled, so they need specific learning domains according to their needs. This research aimed to design science learning domains for a 2e (gifted and blind) student to enhance his critical thinking in his special learning needs in Ankara province in Turkey in the 2020-2021 academic year's first term. Single-subject research was employed. The 2e student was ten years old. Through the application process, the 2e student argued 3D modeled Schrödinger's cat thought experiment. The main application's intervention was conducted to provide the research's internal validity since it was single-subject research. Through the intervention application, the 2e student argued 3D modeled Schrödinger's twin cats thought experiment. We noted both social dialectic argumentation processes as texts, and these texts were used as data collecting tools. Descriptive analysis was utilized to gathered data. The study showed that the 2e student could construct arguments containing claim, data, warrant, and weak rebuttals in the main application, which meant his argumentation quality level was average, so his critical thinking too. In contrast, the 2e student-constructed arguments containing claim, data, weak rebuttal, and rebuttal meant his argumentation quality level enhanced his critical thinking.