“In the United States, only 10% of blind children are learning to read braille, even though according to Chazal, Braille users often are more independent, have a higher level of education, and better employment opportunities. (Also)The bricks aren’t just meant for braille learners. For teachers and sighted children, these bricks also feature a printed letter or character, so everyone can join in the fun.”
https://design-milk.com/lego-launches-braille-bricks-for-children-to-learn-braille/?fbclid=IwAR0ATYMSn-gHM9clwJSU9bS5BEJmm8yFCeAp0rMVGT_u3FfE5srvEJswDjk