Outdoor Playset Accessories Wood Or Plastic Outdoor Playsets?

Wood or plastic outdoor playsets? - outdoor playset accessories

I bought a playground outside for my 2 years old son. I realized it Playsets wood and plastic, such as Little Tikes. I have a few questions, and we appreciate the advice from other parents.
1. Portico wood tend to be more expensive, like the bow .. But there are toysrus best units, Target and Walmart. Any idea of quality?
2.When to overcome my child playsets plastic?
3. Portico wood are really safe for children who are 2? I want to play or take a taxi, but it is safe for him?
Thank you for answering: D