Outdoor ActivitiesBeach Fun: Sand BallsGeekDad-GeekKid Sailing LessonsNature Geek: Animal TrackingHome-brew space shotsWhale Watching in ProvincetownIn Search of the Divine ProportionThe Joy, Excitement, and Thrills of Summer Camps...Geocaching without GPSTabletop Biosphere: NJ Pond in a JarOld School Geekdad: Red Cliff, WisconsinBeating Beach BoredomG.I. Joe Paratrooper Hang-Time Contest ResultsFYI: Slug slime doesn't wash off your handsStrollerwalking: Great Excursions For Parents With Kids On WheelsAlka-Seltzer TagRock StackingSidewalk PaintingTie Dye: Chemical and Folding MagicOld School Geekdad: Shell CollectingOld School Geekdad: Fossil HuntingBusy Monday?Update to The Ultimate WaterslideSwamp + Jar = Nature LessonWisconsin Day-Trip: Wisconsin Maritime MuseumMore Stories