Contents: Swingsets - slides - playhouses |

General:
Public Playground Safety Checklist Public Playground Safety Checklist | U.S. Consumer Product Safety Commission (CPSC) Play Areas Checklist - Swings & Slides | Agritourism Safety

Backyard Fun - Jeff's fun-sized Adventures - 1.6K subscribers | YouTube Dimensions of play sets can depend on the size of the children it is designed for.
See Age-by-Age Guide to Your Kid's Height and Weight Growth | parents.com

Dem

The average height for a 5-year-old is around 43 inches (or 109 cm). A 5-year-old can typically reach an additional 6 to 8 inches above their height when standing on tiptoes. Therefore, the average 5-year-old can reach approximately 49 to 51 inches (or 124 to 130 cm).

Height
Spacing:
10" is common.
Height off the ground
The Consumer Product Safety Commission (CPSC) has developed safety standards for playground equipment, including monkey bars. According to their guidelines, the horizontal distance between the bars should be at least 9 inches, and the height of the bars should be between 6 and 8 feet from the ground.

2-5 year-olds: The rungs should be 5 ft or less above the surface
5-12 year-olds: The recommended height is 7 ft above the surface


PlaySetParts $185

Everything Parents Need to Know About Monkey Bars

Slides:
According to the American Academy of Pediatrics (AAP), slides for children under preschool age should be no higher than five feet, and slides for school-age children should be no higher than six feet. Slides for children under two years old should be no more than 32 inches high.

• The fall zone around the slide should be at least six feet on all sides, except at the exit.
• The slide should have an exit section that is at least one foot long, with an inclination of no more than 10 degrees.
• The slide should have an average incline of no more than 30 degrees, and no section should have a slope greater than 50 degrees.
• Toddlers and preschool-age children should only use short spiral slides (one 360¡ turn or less).
• The sides of the chute should be at least four inches high, extending along both sides of the chute for the entire length of the inclined sliding surface.
• A guardrail should be built between 21 and 30 inches high for preschool-age children, and between 31 and 48 inches high for elementary school or older children.
• The ladder used to climb up the slide should have rungs no more than 3.5 inches
• Length of Slide: Slide Length is 2 x the deck height. A 5' deck will accommodate a 10' slide, a 6' will accommodate a 12', and a 7' will accommodate a 14' slide and so on.

Bungee Jumpers:
 
Bungee Jumpers

Ninja Obstacle Courses:

• Include something to jump to, over, and into
• Include something to crawl through or under
• Include something to walk on carefully

10 FREE backyard obstacle course ideas to UP YOUR DAD GAME | Fun-sized adventure

Ninja lines | Fun-sized adventure

Zip-line Guidelines:
Wire or slackline
length short 35-90; kits 50' ($275-$385)-150'
Which one is best for you? Comparing backyard zipline kits | Fun-sized adventure

• 8 feet: The smallest height, which is best for children
• 10 feet: The most popular height, which is suitable for all ages
• 12 feet: The tallest swing sets, which are best for teenagers and adults

Seat Type:

Belt seats are flexible tend to hold children more securely.
Teenagers may want to stand on the swing and pump to go higher.
Flat swing seats are not recommended for use on school or church playgrounds because they can increase the likelihood of injury from the impact of unoccupied swings.
ADA approved swing seats are available for around $500.
See: Swing Seats
Seat Height:

Preschool-age 12 inches
School-age    16 inches
Tot swings (bucket enclosed  seats)  24 inches

AVERAGE VS. TALL SWING SETS: WHAT SIZE PLAYSET DO YOU NEED? | StarSwingSet
Metal A-Frame Swing Set | SwingSetMall

DIY High Swing

See High Swing

Small: 8x8x6

9x10x8

7x10x9

Large

14x18x10

14x22