Tamiya Pulley Unit Set Educational Series

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

FEATURES:
Wheel set is developed to connect to a selected model 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 include an electrical motor, belt guides, skinny belts,
    circular wheels, rivets, a base, and motor holder.
Battery operated.
Small phillips screws for strong construction.
Structure of sheave is kept basic for upkeep purposes like
    changing the belt, if needed.
Pulley rotates freely, permitting a pet to wag his tail, an alligator
    to open his mouth, or a dolphin to "leap" into the water, amongst
    other selected motions.
Designed for relatively small and basic models.
Reverse rotation of sheave is possible.
Pictorial directions included.

INCLUDES:
One Wheel 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)

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