Bamm Bamm costume is animal print baseball cap and loincloth and a brown strip of cloth and a little bone to keep the loincloth in place and big caveman club to make it look more primitive.
It seems brown is the new black. Or maybe Barney lost a bet and is doomed to wear the same brown tunic for life. Luckily for you, that's all you need. But why settling with that when you can go the extra mile. Make the costume more interesting with a set of matching mask and shoes covers. Here's how.
Betty Rubble hardly ever wears anything else than her blue tube dress and her blue hair bow. If it's the cartoon version you're aiming for, a tube dress will do. For the movie version you may be looking at a double-layer dress. Do not miss the bow though.
To dress like dino, you'll definitely have to in touch with your artistic side to craft or simplify the whole process and get the actual costume. After all, Dino is a pink dinosaur with black spots on his back
Fred Flintstone's costume is an orange nightgown riddled with curvy, black triangles and a blue tie. More elaborated versions include detached cuffs and lapels to give it a more formal air.
Pebbles costume is a wide-strap tank top. It could be orange or green, but it must definitely have curby, black triangles all over. You'll also want to get some shorts.
In order to look like Gazoo, you'll have to dress up in a completely green outfit. Baseball helmet, cape, jumpsuit, gloves and boots; all green.
Wilma Flintstone brings back that 50's nostalgia with some good old fashion Stone Age vibe. All you need to look like this Bedrock beaut is a white, one-shoulder dress and faux pearls necklace.