Is this kit good for a young beginner?

Yes. It is designed as a start kit, so the steps are simple enough for a child to follow with some adult help.

How long does a full polish take?

Rock tumbling runs through several grit stages over days, so expect a multi-day project rather than a same-day result.

Does it come with rocks and grit?

It is sold as a start kit, so check the box contents for the stones and grit stages included before buying.

Will it be noisy in the house?

Tumblers run for long stretches and can be heard in a quiet room. A garage or utility area is a common spot for it.

How does it compare with larger tumblers?

It is smaller and simpler than multi-barrel or multi-speed models, which suits beginners but means smaller batches.

Where is the NG Rock Turn Start Kit cheapest?

At Walmart, for $57.95, as of our latest check.

What do buyers say about the NG Rock Turn Start Kit?

Rated 4.2 out of 5 from 221 ratings.

Blue Marble

NG Rock Turn Start Kit

Best price now

$57.95at WalmartChecked Nov 8

Prices are checked against each store and labelled with when.

Visit Walmart

Blue Marble

NG Rock Turn Start Kit

Best price now

$57.95at WalmartChecked Nov 8

Prices are checked against each store and labelled with when.

Visit Walmart

Ask our agent about this product

It checks today's price at every store, compares the alternatives and answers in about a minute.

Price facts

Last seen at $57.95 at Walmart on Nov 8.

Our take on the NG Rock Turn Start Kit

The Blue Marble NG Rock Tumbler Start Kit is a beginner rock-polishing set that lets kids turn rough stones into smooth, shiny specimens. It is aimed at young hobbyists and families who want a hands-on STEM activity tied to geology and earth science. Compared with larger multi-speed tumblers, it is a simpler, smaller-capacity option, and its 4.2-star average from 221 ratings suggests most buyers are satisfied while a minority report rough edges.

Best forKids new to rock collectingFamily STEM and geology activitiesBeginners who want a simple starter tumbler

Pros

Turns rough stones into polished specimens
Hands-on geology and earth science learning
Simple enough for beginners to run
Compact size suits a child's workspace
Encourages collecting and patience over days

Cons

Small capacity limits batch size
Polishing takes days, not hours
Tumbling noise can be noticeable in a home
Results depend on the stones and grit used

NG Rock Turn Start Kit prices at every store

WalmartNew
In stockSold by C Moore EnterprisesReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
$57.95Free shippingChecked Nov 8
Visit Walmart

What reviewers say

4.2 / 5221 ratings

Buyers rate the kit 4.2 out of 5 across 221 ratings, with most pleased by the polished results and the learning value for kids. A minority mention the slow process and noise as drawbacks.

What people mention

ResultsPraisedOwners say the finished stones come out smooth and polished.
Learning valuePraisedBuyers like that kids learn about rocks and patience through the process.
SpeedCriticisedReviewers note the full polish takes days, which tries kids' patience.
NoiseMixedSome owners find the tumbler audible while it runs, others don't mind.
CapacityMixedThe small batch size suits beginners but limits how many stones go in at once.

About the NG Rock Turn Start Kit

NG ROCK TUMBL

Specifications

color: AssortedSource
size: N/ASource

Questions and answers

Is this kit good for a young beginner?: Yes. It is designed as a start kit, so the steps are simple enough for a child to follow with some adult help.
How long does a full polish take?: Rock tumbling runs through several grit stages over days, so expect a multi-day project rather than a same-day result.
Does it come with rocks and grit?: It is sold as a start kit, so check the box contents for the stones and grit stages included before buying.
Will it be noisy in the house?: Tumblers run for long stretches and can be heard in a quiet room. A garage or utility area is a common spot for it.
How does it compare with larger tumblers?: It is smaller and simpler than multi-barrel or multi-speed models, which suits beginners but means smaller batches.
Where is the NG Rock Turn Start Kit cheapest?: At Walmart, for $57.95, as of our latest check.
What do buyers say about the NG Rock Turn Start Kit?: Rated 4.2 out of 5 from 221 ratings.

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