How I chose and introduced Lira's first 10 communication buttons. Here is a link to the buttons we use: Learning Resources Recordable Answer Buzzers https://www.amazon.com/dp/B00HT5HBMO/ref=cm_sw_r_apan_glt_fabc_8D9TQJH6QQMAG7XNBNSA?_encoding=UTF8&psc=1