●The Solid Construction Allows It To Stand Up To Tons Of Bouncing, Jumping, Rolling, And Tumbling. ● Small Openings, One On Either Side, Make It Easy For Kids To Get In And Out.● Not Only Will Kids Be Having A Blast As They Play With This Toy, But They Will Also Be Developing Motor Skills, Hand-Eye Coordination And Dexterity. Kids Will Learn Spacial Awareness, Build Muscles And Gain Strength As They Jump And Play.