Help with building kid's clubhouse and dome tent

I have a tent (Mambo Combo tent) and playhouse like the below picture for my kids with the following dimensions

http://www.amazon.com/Ryans-Room-Mambo-C...

One (1) Clubhouse Tent - 38"W x 28.5"D x 42.5"H

One (1) Dome Tent - 47"W x 47"D x 35"H

Unfortunately,few parts of(i.e. poles and connectors are missing which makes it unusable. The company no longer sells the replacement poles.

I did find other products which has replacement poles but of different dimensions . For example 58" x 48" x 58" High. Not sure if I can still buy this as replacement and if it still would work.

http://www.pacificplaytents.com/index.ph...

if not any other suggestions are welcome.

Thanks