April 11, 2019 Science Tots Book Fair | Barnes & Noble Join Science Tots from 10 a.m. – 3 p.m. to learn more about S.T.E.A.M.: Science, Technology, Engineering, Arts, and Math. The event will have hands-on, educational and fun activities based on the upcoming Earth Day! No registration required! See the event page. About Science Tots Science Tot’s mission is to connect families with the instruction and tools to power early S.T.E.A.M. learning.