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Title: Lots of fun
Review: My son received this for Xmas soon after turning 4yo. He LOVES it! There are two volcano simulations that he LOVES. He'll do them over and over. He does need help with it, so it's not something I can leave him to do on his own, but it sparks great conversations and questions. All the materials (or at least most, I can't remember them all right now) included are food stuffs--citric acid, red cabbage powder, baking soda, etc--so I feel like it's safe to use with little ones and in the kitchen while I'm cooking. I highly recommend this one. We have another one that he likes, but this one is his favorite.
