Price:$45.00

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SP17 Rolling Ball Clock Parts Kit

StevesClocks  
Arrives soon! Get it by Sep 10-14 if you order today
Sep 10-14

Returns & exchanges accepted

You can only make an offer when buying a single item

Star Seller. This seller consistently earned 5-star reviews, shipped on time, and replied quickly to any messages they received.

This kit includes most of the parts needed to build the SP17 Rolling Ball Clock. The STL files can be purchased at https://www.myminifactory.com/object/3d-print-822624 to 3D print on your printer.

The kit contains all the parts shown in the pictures with a few spares where appropriate.
The metal arbors have been cut to length and deburred.
The bearings have been cleaned and are ready to install. A spare 623 bearing is included.
Drill bits for properly sizing the arbor holes are included.

You will need to provide the 3/4" (19mm) steel balls and a 28" (71cm) length of metal tubing. The balls can be found on Amazon by searching for "3/4 chrome steel balls". The tubing can be any diameter from 15mm to 20mm. 1/2" EMT conduit is a great choice in the US.

A few small hand tools may be helpful, including a Phillips head screwdriver, hand files or sandpaper, and a pin vise for the drill bits.

The complete list of parts includes:
105 #6x3/4” flat head wood screws
10 M3x8mm socket head screws
1 2.5mm hex key
22 pieces of 3mm stainless rod cut to length (some spares)
9 pieces of 1.5mm music wire cut to length (some spares)
1 1/16" drill bit
1 1/8" drill bit
1 608 bearings
3 623 bearings (one spare)

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  • Order today to get by Sep 10-14
  • Returns & exchanges accepted within 30 days
  • Cost to ship: $6.95
  • Ships from: El Dorado Hills, CA

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Reviews for this item

5.0

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience.

(1 reviews)

5.0 Item quality
5.0 Shipping
5.0 Customer service
100% Buyers recommend
5 out of 5 stars 5 This item

Craig Jul 21, 2026

Perfect parts kit to complete the clock. Great communication and quick shipping. Highly recommend if you are going to print one of Steve's clocks (this is my 2nd). Makes the assembly easy and accurate.

Craig Jul 21, 2026

StevesClocks ·

United States

We calculate this number using a recency-weighted average of all ratings, with a rating's value decreasing by half each year to best reflect the current experience. 5.0
·
523 sales
·
5 years on Etsy

Typically responds within a few hours

Typically responds within a few hours

Smooth shipping Has a history of shipping on time with tracking.

Speedy replies Has a history of replying to messages quickly.

Rave reviews Average review rating is 4.8 or higher.

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Listed on Sep 1, 2026