Starting to homeschool can be overwhelming. You don't want to do the wrong thing. You might feel all this pressure on you that their education is all up to you. While it is easy to see why you would feel that way - the early years are for developing a love of learning more than learning academics.
Here are links to what we used in kindergarten for our kids. Below are items you may find helpful.
Learning Games and Activities - there are a few for preschool in here too.
Kindergarten Homeschool - great resources here
Kindergarten Workbooks and Learning