Epinions: Science Toys

Comprehensive site with consumer reviews, tips, and advice on both toys and games. Search by type, character, price or brand name.
http://www.epinions.com/kifm-Toys-All-Science_Toys

MSN eShop: Science and Nature Toys

A shopping site which also mixes in consumer information, including decision tips, product types available, and features to consider.
http://eshop.msn.com/marketplace.asp?catId=12&pmpType=1&pcId=1042