A STEM Subscription Box For Kids: MEL Chemistry Science Experiments Subscription Box The MEL Chemistry Science Experiments Subscription Box ($28 for your first box, renews at $40) is such a great eductaional yet fun gift for any kid who's shown interest in the sciences. The monthly box has three cool hands-on chemistry experiements. Image Source: amazon.com MEL Chemistry Science Experiments Subscription Box $28 from amazon.com Buy Now