Yoyos Mk1 Yoyos has been releasing yoyos since 2018. Here are all of our production models so far. Mk1 Tangent Mk1 x TRT Bathysphere Mk1 Path Mk1 Unicorn Mk1 Brass Exia Mk1 Dynames Mk1 Diffraction v3 Mk1 Spyglass Mk1 x Spiral SLIVER Mk1 x Spinworthy RBC Mk1 Contact Mk1 Exia Mk1 x OPYOYOS Converge Mk1 Umbra Mk1 Diffraction 2 Mk1 Diffraction