We have have skates in right now that are adjustable and they can be either roller skates or roller blades. We sell them for $60. Prices will vary depending on the brand and type of skate.
We bought roller skates from Amazon for around 60 dollars. https://www.amazon.com/gp/aw/d/B077QG2RYZ/ref=ppx_yo_mob_b_inactive_ship_o1_img?ie=UTF8&psc=1
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