This time they built a "track" and were experimenting to see how far they could roll this seat pad. It went through various stages of creation and then various rolling objects. "We need something wider! That'll be more stable." "Hey let's take this part out of the track, it's slowing down the momentum."
Force and motion anyone?!
1 comment:
Hey you- Glad you are back to blogging ;) I dont have your email to invite you to mine. (Only facebook nd your yahoo email)
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