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Bengal kittens are like kittens who have the energy of a HUNDRED kittens; as adults, they're pretty much the same.
Get (more than one) wand toy to run their ass around the house. A lot. Lots of cat trees to climb doesn't hurt, either.
Also, you can get some mileage out of the Cat's Meow toy, but don't generally leave it unsupervised:
https://www.reddit.com/r/bengalcats/comments/j124tz/bengals_playing_with_their_cats_meow_toy_do_be/