Tamiya Pulley Unit Set Educational Series

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

FEATURES:
Pulley set is developed to connect to a picked design package such as a
    jumping dophin, an elevator, a moving pet dog, alligator, or revolving
    bird cage.
Contains white, black, and gray plastic parts connected 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 solid construction.
Structure of wheel is kept basic for maintenance functions like
    replacing the belt, if needed.
Pulley turns freely, permitting a pet to wag his tail, an alligator
    to open his mouth, or a dolphin to "leap" into the water, amongst
    other chosen motions.
Designed for fairly little and basic models.
Reverse rotation of wheel is possible.
Pictorial guidelines included.

INCLUDES:
One Pulley Unit Set

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

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

REMARKS:
Keep out of reach of little kids. Contains little parts.
Instructions and box language written in Japanese and English.