The Tiger Electronics electronic Pokédex toy received major pushback from Nintendo of Japan, which did not want the toy to have any kind of game function as to avoid cannibalizing sales of Pokémon Red & Blue. When two-frame animations of each Pokémon were implemented, they had to be scrapped by NOJ for being "too close to the Game Boy game", despite animated sprites not being introduced until Pokémon Crystal in 2000, though Nintendo of America and 4Kids were in favor of the animations.