NOTE: This item has been updated to reflect the correct start time of 7 p.m.SQUISHY: Gelatin PlungeRaise money for a cancer charity and you, too, could plummet down a slide into more than 2,000 gallons of orange gelatin before a party with live music, food trucks and a beer garden. The Gelatin Plunge benefits the Childrenís Cancer Center and itís now in its sixth year of plopping do-gooders into a vat of goo to thank them for their support. Since it started in 2013, the madcap event has raised more than $545,000, attracting more than 600 people to take the plunge. Individuals must raise $500. Personal teams of two or more must raise $300 per person to plunge. It starts Saturday at 7 p.m. at the Childrenís Cancer Center, 4901 W Cypress St., Tampa. gelatinplunge.com.FATHERíS DAY: Call your dadSunday brings us a day to honor the guy who cheered us on, called us down and blamed us for his bald spot. Itís Fatherís Day! A number of local attractions are offering free admission for dads if at least one ungrateful progeny tags along to pay full price. Among them: Glazer Childrenís Museum: Fathers get in free all day Sunday with one admission. $15, $12.50 military/seniors, $9.50 children, 1 and younger free. 1-6 p.m. 110 W Gasparilla Plaza, Tampa. (813) 443-3861. glazermuseum.org.Florida Aquarium: Dads free with any other full-price paid admission. $28.95, $26.95 seniors, $23.95 ages 3-11, 2 and younger free. 9:30 a.m.-5 p.m. Saturday, 9:30 a.m.-5 p.m. Sunday. 701 Channelside Drive, Tampa. (813) 273-4000. flaquarium.org.Tampa Bay Automobile Museum: Dad gets in free to see more than 65 vintage cars and vehicles with one regular admission. $8, $6 seniors, $5 teens, 12 and younger free. Noon to 4 p.m. 3301 Gateway Centre Blvd., Pinellas Park. (727) 579-8226. tbauto.org.Fatherís Day on a Train: Dad takes a diesel-powered train ride at no cost with one paid child or adult admission. $10-$14, 2 and younger free. 11 a.m. Sunday, 2 p.m. Sunday. Florida Railroad Museum, 12210 83rd St. E, Parrish. Toll-free 1-877-869-0800. frrm.org.Click here for more Fatherís Day events and freebies.BIG TOP: Summer Circus SpectacularThe Summer Circus Spectacular returns to Sarasotaís Asolo Theatre this summer, bringing professional circus performers from around the world for seven weeks of shows in the city that served as home base for Ringling Bros. and Barnum & Bailey Circus for nearly a century. Sarasotaís Circus Arts Conservatory and the Ringling have put on the summertime spectacle for 11 years to preserve the history and legacy of the circus. There will be clowns and aerialists, jugglers, stunt work and magicians. New this year, Summer Circus Spectacular patrons get $5 admission to the Circus Museum on the day they attend a show. Preview performances are $12 through Friday and shows, which run through July 28, are $16, $12 ages 12 and younger. Historic Asolo Theater, 5401 Bay Shore Road, Sarasota. (941) 360-7399. ringling.org.