Building Blocks Child Development Centers 6180 Atlanta Hwy, Alpharetta, GA30004 Building Blocks is a children's daycare center. The daycare is open to infants up through school age children. Building…More Blocks offers a variety of schedules and plans for parents to choose from. It is situated about a quarter of a mile back from Atlanta Highway and has a large field between the school and the road. There is a children's garden in the front and a playground in the back.