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Jennifer Lopez and Ben Affleck showing their love while walking at the Hamptons Beach New York a day before of the 4TH Of July

Jennifer LopezandBen Affleckare spending their summer bonding with their kids.

The couple brought their families together on Saturday for a trip to the famed Magic Castle in Los Angeles. “Since Jennifer and Ben are in it for the long run, it’s just a natural step that they all spend time together with the kids,” a source tells PEOPLE.

“They are not trying to rush anything, but they want all the kids to get to know each other,” the insider adds. “They are making the last few days of summer as fun as they can. Soon it’s back to school and work.”

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The “Jenny from the Block” artist co-parents her twins, daughter Emme and son Max, both 13½, with ex-husbandMarc Anthony, 52. Affleck shares his daughters Violet Anne, 15½, and Seraphina Rose, 12½, and son Samuel Garner, 9, with ex-wifeJennifer Garner, 49.

Affleck also gave Violet a driving lesson during their family weekend.

With help from Emme, Lopezpicked out some jewelry for Violet and Seraphinalast weekend, which she planned to gift them during their dad’s 49th birthday gathering.

The couple, whorecently vacationed in St. Tropez for Lopez’s 52nd birthday, has beengetting to know each other’s kidsas Lopezplots a movefrom Miami to Los Angeles, where Affleck is based.

Emme and Max are “onboard with starting fresh in Los Angeles,” an insider previously told PEOPLE. “They are slowly getting to know Ben,” the source added. “Everything seems to be running smoothly. It’s very obvious that Jennifer is serious about Ben. She hasn’t looked this happy for a long time.”

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A source told PEOPLE in May that their relationshipis different this time around. “Time has passed, and they are each in a different place with children,” the insider said.

source: people.com