Scratch

I think it doesn't, but you should get it just in case. 

siderits wrote:

Before ordering the WeDo kit, can anyone confirm that I don't need any additional drivers or software?  The Lego site is selling the WeDo Robotics Software (900095) software separately (lame move).

Thanks

Sid

I am running WeDo without any extra software - you just need scratch. Be aware however that the tilt sensor is not great with scratch (it only works in one dimension) and I am having trouble running all three sensors together and have basically dumped the tilt sensor. Having said that - the lego software is a little like scratch.