In advance: Make fondant spiders and words. Tint 12 oz. of white fondant black; reserve remainder. Roll out black fondant 1/8 in. thick and use cutter from set to cut 11 spiders; place spiders on board dusted with cornstarch. Make fondant details. Roll 1/4 in. purple and orange balls for feet, 11/4 in. orange strip for mouth, 1/4 in. white balls for eyes, 1/8 in. black balls for pupils, 1/16 in. yellow balls for noses, shape small white teardrops for teeth. Attach details with damp brush. For words: Roll out neon yellow fondant 3/16 in. thick; cut 2 yellow "EEK" pieces using cutter from set. To enlarge, carefully re-roll pieces to 1/16 in. thick, making sure that the letters do not lose their shape. Roll out neon orange fondant 3/16 in. thick; cut 2 "EEK" pieces. Use knife to cut out and remove void areas; attach to yellow pieces with damp brush. Let dry on cornstarch-dusted surface. When completely dry, attach lollipop sticks to "EEK" pieces and to 1 spider with melted candy; let set.
Combine Lemon Yellow color with Pastel Green fondant and any remaining white fondant for shade shown on cakes and pillars. Cover pillars, top 4 in. of twist legs and one 8 in. separator plate with fondant,1/8 in. thick. Prepare 2-layer cakes (bake two 1 1/2 in. high layers for 3 in. high cakes) for
Prepare for rolled fondant. Position cakes on same-size separator plates; cover cakes and
plates as one piece with fondant; smooth with Easy-Glide Smoother. Divide each cake and bottom plate into 8ths. Using Brush-On Color, paint web center lines at division points; add connecting curves between lines. Position Grecian pillars and 8 in. cake on bottom plate. Position 6 in. cake on twist legs. Roll 1/8 in. rope of yellow fondant and wrap around base of twist legs. Insert words and spider on sticks into cake top at various heights. Attach spiders to pillars and cake sides with melted candy.