Great math and science activities for middle grades. Books are sold separately, 1 for $5, 2 for $8, and 3 for $10. We meet at 3520 Rayford Road in the parking lot of HEB near the gas pumps (Grand Parkway and Rayford Road, NOT I45 & RAYFORD ROAD), cash only. For additional items for sale by us, click on the "more ads by this seller" link to the right of the picture.