Tamiya Pulley Unit Set For Various Models

a Pulley Unit Set for Various Models.
It's from Tamiya for very experienced model builders.

FEATURES: Pulley set is designed to attach to a chosen model kit such as a
jumping dophin, an elevator, a moving dog, alligator, or revolving
bird cage.
Contains white, black, and gray plastic parts attached to sprues.
Other parts include an electric motor, belt guides, skinny belts,
circular pulleys, rivets, a base, and motor holder.
Battery operated.
Small phillips screws for solid construction.
Structure of pulley is kept simple for maintenance purposes like
replacing the belt, if needed.
Pulley rotates freely, allowing a dog to wag his tail, an alligator
to open his mouth, or a dolphin to "jump" into the water, among
other chosen motions.
Designed for fairly small and simple models.
Reverse rotation of pulley is possible.
Pictorial instructions included.

INCLUDES: One Pulley Unit Set

REQUIRES: Assembly
Battery
Small Phillips Screwdriver
Modeling Knife
Sprue Cutters
Long Nose Pliers

SPECS: Base: Length: 4-3/4" (12.3cm)
Width: from 1/2" to 1" (1.5cm to 2.5cm)
Height: 1/4" (7mm)