Beys

A is a customizable spinning top toy designed for battle.

Bey Systems
In the Metal Fight Beyblade anime, manga, there are currently two different kinds of Beyblade systems;

The Metal Wheel system is composed of 4 different parts - "Face", "Wheel", "Track", and "Bottom" (Manga only)

The Hybrid Wheel system is composed of 5 different parts - "Face", "Clear Wheel", "Metal Wheel", "Track", and "Bottom"

Types
In the Metal Fight Beyblade anime and manga series there are four types of Beys:

Balance Type
earth wolf
 * Poison Serpent SW145SD (ポイズンサーペントSW145SD)
 * Serpens (へび座, Hebi-za)
 * Snake (へび, Hebi)
 * Mizuchi Reiji
 * }