update for 8-28-13:
-Cannon Show 200 gems (570 coins/1 hr, -160 goods)
-Lion Tamer 13,100 coins (540 coins/1 hr, -150 goods) takes 8 energy to construct
-Blue Circus Trailer 180 gems (140 coins/8 hr, pop +120)
-Gold Circus Trailer 17,700 coins (100 coins/30 min, pop +120) takes 8 energy to construct
-Ferris Wheel 22,000 coins (180 coins/8 hr, cap +490) buildable requires 4 wiring, 4 flashing lights, 4 lights, 4 seats, 4 power cells, takes 13 energy to construct
New Teaser!