Here is the repository for the code: https://github.com/FoxLabsFr/FoxMini

You may also want to check out the custom library I use in this project (and others) to synchronize multiple servomotors: https://github.com/FoxLabsFr/ServoGroup

I will soon add PCBs and full assembly kit for this robot on Tindie: 
https://www.tindie.com/stores/foxlabs