Snap Circuits Jr. (something tells me this might be a winner:) I love the illustrations and anything that offers step by step directions in this house gets 5 stars off tops.
The Learning Ark where this work is avaliable for FREE. I do know that is the planet Saturn, but it works as a great Sun for this work.
Walking by the Way.
To see other children doing activities inspired by the Montessori Method please visit Living Montessori Now for Montessori Monday.