Grade 4 1.35 meters (actual weight 8.4 pounds)
Level 4 foot 1.5 meters (actual weight 9.5 pounds)
Grade 5 1.65 meters (actual weight 10.8 pounds)
Grade 5 foot 1.8 meters (actual weight 11.3 pounds)
Level 6 1.98 meters (actual weight 12.6 pounds)
Grade 7 2.35 meters (actual weight 14.4 pounds)
Grade 8 2.65 meters (actual weight 16.0 pounds)
Level 9, 2.98 meters (actual weight 18.5 pounds)
Level 10 3.3 meters (actual weight 20.5 pounds)
Grade 11 3.6 meters (actual weight 22.2 pounds)
Grade 12 4.0 meters (actual weight 25.0 pounds)