Get ready…kids’ math skills are about to take off! Each hands-on center includes 30 transportation-themed activity cards at 3 levels of difficulty—from fully guided learning to independent practice—plus corresponding manipulatives. Kids use vehicles to count, compare and add, gaining confidence as they progress from level to level! You get all 3 activity centers, each with a guide. Cards measure 8 1/2" x 11". Each center also available separately.