Curriculum 2013 emphasizes the implementation of a thematic approach. This research was carried out considering the necessity of teachers to implement thematic learning model based on the curriculum in 2013 taking into account the importance of the application of the thematic learning in elementary schools. This research produces thematic instructional materials theme natural events valid and effective. Expansion of early draft thematic teaching materials validated by four experts. The evaluation of the teaching materials thematic theme natural events specified valid, suggestions and feedback used to revise the draft. The results of test calculations show the individual completeness tcount (6.70) > ttable (1.71) means that the learner achieved mastery learning with a minimum value of 72 standards, classical completeness reach 91.6% > 75% standard set classical completeness, and the results of comparative tests is post-test > pre-test mean value, meaning that a change in the learning achievement of learners towards better after using the activity book.