After the Covid-19 Pandemic, learning is carried out offline and blanded learning. One of the efforts to improve students' higher-order thinking skills (HOTS) is through learning Case Method (CM) and Team Based Project (TBP) in the Special Makeup Course. The success of learning Special Makeup must also be equipped with learning tools based HOTS that are suitable for CM and TBP learning. So this research was conducted with the aim of producing learning tools based on Higher Order Thinking Skill (HOTS) in the Special Makeup course. The resulting learning tools are in the form of Semester Learning Design (RPS), e-books equipped with video tutorials and assessment instruments. Learning tools were developed with 4D models from Thiagarajan which include: (1) defining; (2) design; (3) develop; and (4) disseminate. Trials in this research go through 3 stages, namely expert trials, limited trials and field trials. The test subjects are experts, lecturers and students.   The instruments used are observation sheets, validation sheets, lecturer and student assessment sheets, and tests (multiple choice and essays). The results of this development research show that learning tools meet aspects of validity, aspects of practicality and aspects of effectiveness. Based on the validity results that RPS, ebooks and assessment instruments in the valid category are RPS of 0.80, ebooks of 0.87 and assessment instruments of 0.85. Based on the results of limited trials in this study, it was found that learning devices in the practical category. The results of field trials found that effective learning tools were reviewed from student HOTS with an average percentage of test subjects of 79%. So it can be stated that this learning tool is effective in improving students' higher-order thinking skills in the Special Makeup course.

Keyword: Learning Tools, HOTS, Spesial Makeup Course