The use of playful activities is common in introductory programming settings. Visually, these activities tend to be stimulating enough. However, these are not accessible for visually impaired children. This work presents TACTOPI -a system that consists of a tangible environment that provides navigation skills training and enriches sensorial experiences using sound, visual and tactile elements; It allows the learning of introductory concepts of computational thinking embedded in playful activities with storytelling that promote environmental education for children with visual impairments from 4 to 7 years old. The map is modular, customizable and has a docking system to place the elements allowing a fun tactile interaction. Another essential element is the 3D printed helm containing a joystick and buttons for the child to control and pre-program the instructions to be played by the robot. A study was carried out using a qualitative questionnaire to evaluate the system. Suggestions were collected from respondents experienced with blind children about the suitability, relevance and accessibility of this system for these children. From the results, it is possible to conclude that this is a tool that, despite some limitations, is efficient to introduce computational thinking; interactive elements that support activities in other disciplines and contexts; a tool that ensures accessibility and supports task training for the development of blind children.

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