100mm sphere rule

[slim_boy_fat]

Also dangerous in a place where kids would not normally be...

http://news.bbc.co.uk/1/hi/scotland/edinburgh_and_east/8461914.stm

A tragic accident, but I'm struggling to see how a toddler could 'slip' through 6" without squeezing?

 

[Bobtail4x4]

Be interesting for you to quote a few pertinent cases perhaps?

have a look at any "grand design" most have climbable guarding, or 300mm gaps or even no guarding at all, god knows how?