Tegu Blocks are the daily deal on Eversave today! You rarely see these things on sale. (And I will warn you now, they are expensive!)
Get $50 worth for $25 or $100 worth for only $50.
Magnetic Building Blocks encourage imaginative and independent play
Winner of Dr. Toy Best Green Product and Parent's Choice Silver Honor
For my local readers, they have these at the Magic House and they are fun and addictive to play with.
Go here to see the deal.