Brick Math Series is offering their eBook "Teaching Fraction using Lego Bricks" for free. This is good for the kids who are learning fraction to learn the concept by using Lego bricks. Click here for the Teaching Fraction offer:Please Log In to view this link! You can also get a sample chapter of the eBook "Teaching Addition using Lego Bricks" here:Please Log In to view this link! These books might add more fun for your kids in learning Math.