Ninja Boy BW: Extra Regulation Box · No. 040/048 Ninja Boy price & value ConditionMarketLowNear Mint—$2.49Snapshot as of 2026-09-11. Live prices & recent sales load below. Other printings of Ninja Boy smG: Ultra Sun & Ultra Moon Deck Build Boxes #032/041XY11-Bb: Fever-Burst Fighter #053/054XY11-Br: Cruel Traitor #053/054