Instruct: Classify Amazon reviews into positive or negative sentiment
Query: simply fun

I thought this would be a fun introduction to science for my 5 year old grandson. I was right. He is enjoying the heck out of it, and I'm enjoying him enjoying it. :) I read the instructions while he follows them. It's nice that ingredients and tools that are needed outside of the box are things that are easily found in most homes and if not, not expensive.When he comes to my house we do three experiments, wash up the tools and put it away. It gives him something to look forward to on his visits - several days throughout each month.Lots of bang (fun) for the buck.