Full Color Advance (フルカラーアドバンス), also known as Pokédex Figures, are small but detailed figures attached to a clear base with a paper with Pokédex info and a footprint of the represented Pokémon on it. Made by Bandai, 15 sets and two special sets were released throughout the RSE and FR/LG eras.
Starting in 1996, tiny Pokémon figures on (normally) interlocking stands were dispersed in Gashapon machines. These sets have changed over the years. The original sets were called Full Color Collection and Full Color Stadium, and contains the first 151 Pokémon, most having multiple poses. For the G/S/C promotion, Full Color Stadium became Battle Museum and stands changed to black with stickers for the Pokémon's name, and they interlocked horizontally. They also never completed this set, and some Pokémon did not get these figures. For R/S/E and FR/LG, TM Collection was released, which could go on stands, but were called pencil toppers. After this came this series, called Full Color Advance, with Pokédex info and footprints printed onto a clear stand with a paper insert.
The current set, starting with DP and going through Platinum, is called Chou Get and the interlocking stands are back, in 3D form (not flat) and multicolored. Since the Platinum release, some stands are clear and some figures have been re-released in platinum color.Source