How do you know if you have the right toy's for your child??

I found this article and I thought it was interesting. 

http://raisingchildren.net.au/articles/choosing_toys.html/context/237

• blocks – one day your child uses them to build a tower, and the next day he might bring the block up to his ear and pretend it’s a phone
• balls – they’re great to bounce, look at, roll, hold and throw
• cardboard boxes – these can stand in for so many things, including pretend shop counters, ovens, cars, boats and doll houses 
• dress-ups – with some hand-me-down clothes and bits of fabric, your child can become anything or anyone he likes
• crafty bits and pieces – coloured paper, stickers, crayons and washable markers can get your child started on a masterwork.

These are some great "toys" that you could have for a child of almost any age they are great for engaging them in imaginative play, fine and gross motor building, cognitive development amongst many other learning opportunities.

Toy's that capture your child's interest are the ones that they will spend the most time with, developing their concentration skills.

What are your child's interest area's?