Core
Ninja Steps
# 13653 Pro ( shown ) ASTM Use Zone : 17 ' 6 " x 13 ' 3 " ( 5.3m x 4m ) Recommended Ages : 13 and up Fall Height : 4 ' ( 1.2m )
# 13654 Youth ASTM Use Zone : 23 ' 4 " x 19 ' 2 " ( 7.1m x 5.8m ) Recommended Ages : 5 to 12 Fall Height : 4 ' ( 1.2m )
Core
Vault Walls
# 13655 Pro ASTM Use Zone : 14 ' 11 " x 6 ' 3 " ( 4.6m x 1.9m ) Recommended Ages : 13 and up Fall Height : 6 ' ( 1.8m )
# 13655 Youth ASTM Use Zone : 20 ' 11 " x 12 ' 3 " ( 6.4m x 3.7 ) Recommended Ages : 5 to 12 Fall Height : 6 ' ( 1.8m )
16
Sold individually .