is a collection of skateboard ramps. There is also the Everyday Circus, a circus school for all ages. which performs daily at the museum and does private parties. Just around the corner from the Circus is Art City, where guests can try their hand at a number of different art techniques, as well as Toddler Town, a section dedicated to children six years of age and under. Beatnik Bob's is directly across from the Circus, which features the "World's Largest Underwear" (a pair of men's briefs that are about seven feet high and seven feet wide), a collection of vintage video and pinball games, and a concessions stand, bar and coffee shop. Outside Beatnik Bob's is a working 1/8-scale model of an Alco Train that children under 48 inches tall can ride. Past Architectural Hall, the museum's largest rental space, is the Architectural Museum. Off Architectural Hall, the museum is adding a Natural History Section. On display are a number of insects and taxidermy items. An entrance to a three-story slide leads back to the first floor. The third floor is also home to the world's largest pencil, more than 76 feet in length. Weighing 21,500 pounds, the equivalent of 1.9 million regular No. 2 pencils, it includes 4,000 pounds of graphite and a 250-pound rubber eraser. It was created in 2007 for the 76th birthday of Sri Chinmoy by Ashrita Furman, who donated it to the museum, which installed it in 2009. 4th Floor The 4th floor of the museum contains another food court, an entrance into the caves, Art City, and an art gallery. Art City is a place for people of all ages to partake in crafts Thursday-Sunday 10 a.m.-4 p.m. The art gallery on the 4th floor has featured artist such as Kaws. The roof The roof has a small old-fashioned Ferris wheel and a wide ramp slide. The pond fountain, which once had stepping stones that connected one side to the other, has now been covered with astroturf with future plans unknown. The roof also has a school bus extending past the edge of the building. Visitors can walk into the school bus and open the door from the driver's seat. A 24-foot metal praying mantis stands atop a dome salvaged from the St. Louis Science Center during its remodeling. Cassily and his crew added the fiberglass cover and metal ladders that lead to an