30-DAY RETURN POLICY
We want you to love your MELLOKIDS order! That’s why we offer a 30-day return or exchange guarantee for your complete peace of mind.
30 Day Returns
Free shipping within the US
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Not every child responds the same — that’s why we offer a 30-day money-back guarantee.
Not every child responds the same — that’s why we offer a 30-day money-back guarantee.
We offer Free Shipping within United States on all orders.
30 Days Easy Returns or Exchanges At Mellokids, we offer a 30-day return or exchange policy if, for any reason, you're not satisfied with your order. Simply send us an email at contact@mellokids.com, and we’ll take care of the rest!
Spark creativity and learning with the STEM Marble Run Building Blocks Set, the perfect educational toy for curious minds. Kids can design, build, and race marbles through colorful building blocks, funnels, and slides while developing fine motor skills, problem-solving, and hand-eye coordination. Made from durable, child-safe materials, this creative learning toy turns playtime into a fun STEM activity that inspires imagination and hands-on exploration for children ages 3 and up.



We want you to love your MELLOKIDS order! That’s why we offer a 30-day return or exchange guarantee for your complete peace of mind.