Lego Technic motor set 8700. Have this plus more 4.5 volt motors

LEGO 4.5 Volt Technic Motor With Three Prong Holes Comes In

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LEGO 4.5V UNIVERSAL MOTOR 901 Technic 8700 POWER PACK & LIGHTING

LEGO 8720 Technic 9V Motor Set

LEGO - Technic - 8700 - 4.5 Volt Technic Motor Set Expert Builder

LEGO - Technic - 8700 - 4.5 Volt Technic Motor Set Expert Builder

LEGO Technic 4.5v Motor - Spindle Differences, Have you not…

Motorize your LEGO® Technic creations with the Power Functions Motor Set!

LEGO® Power Functions Motor Set

LEGO 8700 Technic Power Pack

LEGO 961 Technic Parts Pack