Caixola is a open source game designed to help children from 4 to 11 years develop word building techniques and learn another language(Portuguese, English, French and Spanish). The App uses an IOT component implemented using nodemcu that reads wich letter is been placed in the box and send this information to be used in the screen.
Your goal in the game is to guess which letters are present on the word wich image is shown on the screen. The player can also ask for a hint and listen how the word is pronounced. After placing the letter block on the sensor you can press the button on the game screen and you will get an indicator showing if its correct or not