Engines and broccoli

Don't forget to eat your vegetables when you're done working on that engine!

Note how the diagonal parts of the engine's "belt" shouldn't fit together, but do.

Lego horse hacks

A half-dozen horses become a single hydra-horse, thanks to filling the gaps meant to be occupied by a rider with a long connector brick.

Armored equine helmets, meanwhile, can be attached to create colorful pentagonal sea creatures.