Tamiya Pulley Unit Set Educational Series

This is a Pulley-block Unit Set for Various Designs.
    It's from Tamiya for very experienced model builders.

FEATURES:
Pulley-block set is created to attach to a selected model set such as a
    jumping dophin, an elevator, a moving pet, alligator, or revolving
    bird cage.
Contains white, black, and gray plastic parts attached to sprues.
Other parts consist of an electric motor, belt guides, slim belts,
    circular sheaves, rivets, a base, and motor holder.
Battery operated.
Small phillips screws for strong construction.
Structure of sheave is kept simple for upkeep functions like
    replacing the belt, if needed.
Pulley rotates easily, permitting a canine to wag his tail, an alligator
    to open his mouth, or a dolphin to "jump" into the water, amongst
    other selected motions.
Designed for relatively little and simple models.
Reverse rotation of sheave is possible.
Pictorial guidelines included.

INCLUDES:
One Pulley-block Unit Set

NEEDS:
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)

COMMENTS:
Stay out of reach of kids. Contains little parts.
Instructions and box language composed in Japanese and English.