There are some more kid-friendly programmable robots/hardware and coding tools listed here: https://docs.google.com/document/d/1r1b2CM1uTdST47IbWa7zlZYm...
Project Bloks isn't out yet, but a similar one is littlebits. The ones I've used with elementary school aged kids though include Sphero, Edison, and Lego Wedo, along with software/sites like code.org, Lightbot, and Hopscotch.