If you loved The Adventures of Sharkboy and Lavagirl, try Spy Kids: All the Time in the World
A bridge between a film you've already seen and one most people haven't. Here's what they share, and what the second one does that the first one doesn't.
You already loved

The Adventures of Sharkboy and Lavagirl
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Spy Kids: All the Time in the World
What they share
Both films are directed by Robert Rodriguez, and they both carry the playful mood tag, and they sit in Adventure / Family territory. If that's the register that drew you to The Adventures of Sharkboy and Lavagirl, the second film will land in a comparable space — through a different lens.
playful
What Spy Kids: All the Time in the World is
Austin suburb, summer, a ticking clock. A retired spy's gadget-filled house, stepkids in tow, evil looming. Rodriguez refines his family-friendly formula.