To keep the babies "busy" at daycare, the teachers will put them in a huge stroller (fits 6 babies!) and walk up and down the hallways with them. It gets the little babies out of their room to break it up a bit.
Yesterday, I was walking down the hallway with Ella towards Karl's room. When we turned the corner, we saw the stroller full of babies. Karl ~immediately~ made eye contact with Ella, put out his arms, clenched/unclenched his fingers and yelled "Ella! Ella! Ella!"
His official 3rd word is "Ella". ("momma" and "dada" were first and second).
How cute is that?