▁at ▁the ▁attra ctions . ▁ ▁Within ▁a ▁short ▁time , ▁the ▁problems ▁of ▁handling ▁such ▁large ▁amounts ▁of ▁co ins ▁led ▁to ▁the ▁development ▁of ▁a ▁ticket ▁system ▁that , ▁while ▁now ▁out ▁of ▁use , ▁is ▁still ▁part ▁of ▁the ▁am usement - park ▁lex icon . ▁In ▁this ▁new ▁format , ▁guests ▁purchased ▁ticket ▁books ▁that ▁contained ▁a ▁number ▁of ▁tick ets , ▁l abeled ▁" A ," ▁" B " ▁and ▁" C ." ▁R ides ▁and ▁attra ctions ▁using ▁an ▁" A - t icket " ▁were ▁generally ▁simple , ▁with ▁" B - tick ets " ▁and ▁" C - tick ets " ▁used ▁for ▁the ▁larger , ▁more ▁popular ▁r ides . ▁Later , ▁the ▁" D - t icket " ▁was ▁added , ▁then ▁finally ▁the ▁" E - t icket ", ▁which ▁was ▁used ▁on ▁the ▁biggest ▁and ▁most ▁elaborate ▁r ides , ▁like ▁Space ▁Mountain . ▁Sm aller ▁tick ets ▁could ▁be ▁trad ed ▁up ▁for ▁use ▁on ▁larger ▁r ides , ▁so ▁that ▁for ▁example ▁two ▁or ▁three ▁A - tick ets ▁would ▁equal ▁a ▁single ▁B - t icket . ▁Disney land , ▁as ▁well ▁as ▁the ▁Magic ▁Kingdom ▁at ▁W alt ▁Disney ▁World , ▁abandoned ▁this ▁practice ▁in ▁ 1 9 8 2 . ▁ ▁Pay - one - price ▁An ▁am usement ▁park ▁using ▁the ▁pay - one - price ▁scheme ▁will ▁charge ▁guests ▁a ▁single ▁ad mission ▁fee . ▁ ▁The ▁guest ▁is ▁then ▁entitled ▁to ▁use ▁most