What kind of horse can swim underwater and never come up for air? Our Seahorse of course! Usually found swimming in pairs and trying to avoid becoming the next meal of our Crab, their back fins flutter up to 35 times per second as they swim along. Fun Fact: Seahorses have no teeth or stomach! 4x Flexo Circle Bricks, 50x Flexo Equilateral,Triangle Bricks, 8x Flexo Square Bricks, 8x Flexo Rectangle Bricks, 2x Eyes, 1x Black Tendon Sheet, 112 Tendons, Template Flexo Multitool.