Spokane Riverfront Park

"The Childhood Express" by Ken Spiering was donated by The Junior League in 1989 and is an interactive sculpture: the handle doubles as a slide. The website for Riverfront Park gives the following information about the wagon:
# Created for the Centennial Celebration of Children - 1989.
# Dimensions - 12' high x 12' wide x 27' long.
# Weight - 26 tons.
# Made of steel reinforced concrete.
# Will hold as many as 300 people supporting 100 lbs. per square foot.