Motor Set 9 V

8720-1·LEGO·1990·31 parts

Used Avg

$36.20

New Avg

$74.88

About Motor Set 9 V

Motor Set 9 V (8720-1) is a LEGO LEGO set from 1990 valued at $36.20 on BrickLink. It contains 31 cataloged parts. This set has been retired and is only available on the secondary market.

Seller notes

Sealed copies sell for $74.88 vs $36.20 used, a 107% premium. If you have this set new in sealed box (NISB), price it accordingly.

Parts (31)

Electric, Motor 9V 5 x 4 x 2 1/3 with Black Axle and Dark Gray Base

Electric 9V Battery Box 4 x 14 x 4 with Red Buttons and Contact Plate with Dark Gray Base (2846 / 2847c00)

Plate 1 x 2

×4

Technic, Gear 8 Tooth

×2

Technic, Gear 24 Tooth Crown - Not Reinforced

Common questions about Motor Set 9 V

How much is LEGO Motor Set 9 V (8720-1) worth?

Motor Set 9 V sells for an average of $36.20 used and $74.88 new/sealed on BrickLink based on 6 months of completed sales. As a retired set, prices tend to hold steady or appreciate over time, especially for complete sets with original packaging. Actual prices vary with completeness. Missing minifigures or key parts will lower the value.

Is LEGO Motor Set 9 V (8720-1) retired?

Yes, Motor Set 9 V was released in 1990 and has been retired from retail for several years. Retired LEGO sets are only available on the secondary market through BrickLink, eBay, or other resale platforms.

How do I check if my Motor Set 9 V set is complete?

Use the parts list on this page to check every piece. For the minifigures specifically, you can use the brick'em scanner to identify each figure from a photo and confirm it matches what should be in this set. Missing pieces can be individually sourced on BrickLink.