The official Japanese Pokémon website has announced that the Johto Starters
Chicorita,
Hinoarashi and
Waninoko will be distributed to patrons of the
Pokémon Lab: You do it! You discover! Special Exhibition.
Patrons that complete the Lab 1 mission will receive a serial code for one of the Johto starter that can be redeemed in
Pokémon X, Y,
Omega Ruby or Alpha Sapphire. All 3 starters are level 5 and have the OT Pokémon Lab (ポケモンラボ).
Chicorita knows the moves
Tackle and
Growl.
Hinoarashi knows the moves
Tackle and
Leer.
Waninoko knows the moves
Scratch and
Leer. Serial codes will be available from December 23rd, 2015 until March 6th, 2016 and they can be redeemed until May 9th, 2016.
Sources:
http://www.pokemon.co.jp/info/2015/11/151113_e01.html and
http://www.tv-aichi.co.jp/pokemonlabo/