256 characters in the Supplemental Symbols and Pictographs Unicode block.
U+1F900CIRCLED CROSS FORMEE WITH FOUR DOTSU+1F901CIRCLED CROSS FORMEE WITH TWO DOTSU+1F902CIRCLED CROSS FORMEEU+1F903LEFT HALF CIRCLE WITH FOUR DOTSU+1F904LEFT HALF CIRCLE WITH THREE DOTSU+1F905LEFT HALF CIRCLE WITH TWO DOTSU+1F906LEFT HALF CIRCLE WITH DOTU+1F907LEFT HALF CIRCLEU+1F908DOWNWARD FACING HOOKU+1F909DOWNWARD FACING NOTCHED HOOKU+1F90ADOWNWARD FACING HOOK WITH DOTU+1F90BDOWNWARD FACING NOTCHED HOOK WITH DOTU+1F90CPINCHED FINGERSU+1F90DWHITE HEARTU+1F90EBROWN HEARTU+1F90FPINCHING HANDU+1F910ZIPPER-MOUTH FACEU+1F911MONEY-MOUTH FACEU+1F912FACE WITH THERMOMETERU+1F913NERD FACEU+1F914THINKING FACEU+1F915FACE WITH HEAD-BANDAGEU+1F916ROBOT FACEU+1F917HUGGING FACEU+1F918SIGN OF THE HORNSU+1F919CALL ME HANDU+1F91ARAISED BACK OF HANDU+1F91BLEFT-FACING FISTU+1F91CRIGHT-FACING FISTU+1F91DHANDSHAKEU+1F91EHAND WITH INDEX AND MIDDLE FINGERS CROSSEDU+1F91FI LOVE YOU HAND SIGNU+1F920FACE WITH COWBOY HATU+1F921CLOWN FACEU+1F922NAUSEATED FACEU+1F923ROLLING ON THE FLOOR LAUGHINGU+1F924DROOLING FACEU+1F925LYING FACEU+1F926FACE PALMU+1F927SNEEZING FACEU+1F928FACE WITH ONE EYEBROW RAISEDU+1F929GRINNING FACE WITH STAR EYESU+1F92AGRINNING FACE WITH ONE LARGE AND ONE SMALL EYEU+1F92BFACE WITH FINGER COVERING CLOSED LIPSU+1F92CSERIOUS FACE WITH SYMBOLS COVERING MOUTHU+1F92DSMILING FACE WITH SMILING EYES AND HAND COVERING MOUTHU+1F92EFACE WITH OPEN MOUTH VOMITINGU+1F92FSHOCKED FACE WITH EXPLODING HEADU+1F930PREGNANT WOMANU+1F931BREAST-FEEDINGU+1F932PALMS UP TOGETHERU+1F933SELFIEU+1F934PRINCEU+1F935MAN IN TUXEDOU+1F936MOTHER CHRISTMASU+1F937SHRUGU+1F938PERSON DOING CARTWHEELU+1F939JUGGLINGU+1F93AFENCERU+1F93BMODERN PENTATHLONU+1F93CWRESTLERSU+1F93DWATER POLOU+1F93EHANDBALLU+1F93FDIVING MASKU+1F940WILTED FLOWERU+1F941DRUM WITH DRUMSTICKSU+1F942CLINKING GLASSESU+1F943TUMBLER GLASSU+1F944SPOONU+1F945GOAL NETU+1F946RIFLEU+1F947FIRST PLACE MEDALU+1F948SECOND PLACE MEDALU+1F949THIRD PLACE MEDALU+1F94ABOXING GLOVEU+1F94BMARTIAL ARTS UNIFORMU+1F94CCURLING STONEU+1F94DLACROSSE STICK AND BALLU+1F94ESOFTBALLU+1F94FFLYING DISCU+1F950CROISSANTU+1F951AVOCADOU+1F952CUCUMBERU+1F953BACONU+1F954POTATOU+1F955CARROTU+1F956BAGUETTE BREADU+1F957GREEN SALADU+1F958SHALLOW PAN OF FOODU+1F959STUFFED FLATBREADU+1F95AEGGU+1F95BGLASS OF MILKU+1F95CPEANUTSU+1F95DKIWIFRUITU+1F95EPANCAKESU+1F95FDUMPLINGU+1F960FORTUNE COOKIEU+1F961TAKEOUT BOXU+1F962CHOPSTICKSU+1F963BOWL WITH SPOONU+1F964CUP WITH STRAWU+1F965COCONUTU+1F966BROCCOLIU+1F967PIEU+1F968PRETZELU+1F969CUT OF MEATU+1F96ASANDWICHU+1F96BCANNED FOODU+1F96CLEAFY GREENU+1F96DMANGOU+1F96EMOON CAKEU+1F96FBAGELU+1F970SMILING FACE WITH SMILING EYES AND THREE HEARTSU+1F971YAWNING FACEU+1F972SMILING FACE WITH TEARU+1F973FACE WITH PARTY HORN AND PARTY HATU+1F974FACE WITH UNEVEN EYES AND WAVY MOUTHU+1F975OVERHEATED FACEU+1F976FREEZING FACEU+1F977NINJAU+1F978DISGUISED FACEU+1F979FACE HOLDING BACK TEARSU+1F97AFACE WITH PLEADING EYESU+1F97BSARIU+1F97CLAB COATU+1F97DGOGGLESU+1F97EHIKING BOOTU+1F97FFLAT SHOEU+1F980CRABU+1F981LION FACEU+1F982SCORPIONU+1F983TURKEYU+1F984UNICORN FACEU+1F985EAGLEU+1F986DUCKU+1F987BATU+1F988SHARKU+1F989OWLU+1F98AFOX FACEU+1F98BBUTTERFLYU+1F98CDEERU+1F98DGORILLAU+1F98ELIZARDU+1F98FRHINOCEROSU+1F990SHRIMPU+1F991SQUIDU+1F992GIRAFFE FACEU+1F993ZEBRA FACEU+1F994HEDGEHOGU+1F995SAUROPODU+1F996T-REXU+1F997CRICKETU+1F998KANGAROOU+1F999LLAMAU+1F99APEACOCKU+1F99BHIPPOPOTAMUSU+1F99CPARROTU+1F99DRACCOONU+1F99ELOBSTERU+1F99FMOSQUITOU+1F9A0MICROBEU+1F9A1BADGERU+1F9A2SWANU+1F9A3MAMMOTHU+1F9A4DODOU+1F9A5SLOTHU+1F9A6OTTERU+1F9A7ORANGUTANU+1F9A8SKUNKU+1F9A9FLAMINGOU+1F9AAOYSTERU+1F9ABBEAVERU+1F9ACBISONU+1F9ADSEALU+1F9AEGUIDE DOGU+1F9AFPROBING CANEU+1F9B0EMOJI COMPONENT RED HAIRU+1F9B1EMOJI COMPONENT CURLY HAIRU+1F9B2EMOJI COMPONENT BALDU+1F9B3EMOJI COMPONENT WHITE HAIRU+1F9B4BONEU+1F9B5LEGU+1F9B6FOOTU+1F9B7TOOTHU+1F9B8SUPERHEROU+1F9B9SUPERVILLAINU+1F9BASAFETY VESTU+1F9BBEAR WITH HEARING AIDU+1F9BCMOTORIZED WHEELCHAIRU+1F9BDMANUAL WHEELCHAIRU+1F9BEMECHANICAL ARMU+1F9BFMECHANICAL LEGU+1F9C0CHEESE WEDGEU+1F9C1CUPCAKEU+1F9C2SALT SHAKERU+1F9C3BEVERAGE BOXU+1F9C4GARLICU+1F9C5ONIONU+1F9C6FALAFELU+1F9C7WAFFLE…and 56 more characters.