howtosmile —the best science fun anywhere, any time, any age!

Find and DO fun hands-on science, math, engineering and technology (STEM) activities created by the country’s top science centers and out-of-school educators. Explore for FREE the entire howtosmile collection of over 3,500 activities, games, experiments, and more. Search the whole collection by word—like sound or planet; by topic—like Cooking, Chemistry, or Climate; by cost to do the activity—from free to over $20; and by age—from 4 to adult. Read the howtosmile blog for fresh ideas and approaches, plus profiles of out-of-school educators who make science learning cool and exciting, whether they teach in a museum, classroom, an afterschool program, or a kitchen at home. Discover your new favorite hands-on activities to do with your friends, family, or students. Get inspired!

Funded by the National Science Foundation, the Camille & Henry Dreyfus Foundation, and Oracle. Brought to you by the Lawrence Hall of Science, University of California, Berkeley.