Sensory Build It is a simple cause and effect app particularly for early learner assistive switch or device users. Build It has modes to support development of single and double switch use, using devices such as the AbleNet Blue2 MFI bluetooth switch or RJ Cooper bluetooth small switches (more options are available). Build It also responds to screen tap, as well as external keyboard control (space, enter, 1, 2). The app provides a large range of switch/tap activated early learning animated scenes with sounds including; Musical Instruments Animals Underwater Space Toys, Patterns and more. Sensory Build It contains no adverts, does not require a subscription and does not collect data. There is a live demo on the Sensory web page link, if you would like to explore the details of the app further. External Controllers: The Build It activity screen can be controlled by an external keyboard and external access switches. Space Bar/ number 1 activate the blue (left button on screen) switch and Enter key / 2 activates the red (right button on screen). The app control buttons can be hidden with a keypress 5 Build It can also be controlled by using an XBox controller or the Microsoft Adaptive Controller with the built switches in or any other suitable switch inputs. The XBox D-Pad will move around the activities and the A and B buttons control the left and right on screen switches. Build It has a switch settings button on the first screen, which defaults to single (blue) switch mode. It is possible to select two switches (red and blue) which alternative, or two switches with a random presentation.