Featuring our exclusively designed Spiral, “X” and double-bowl pieces – this expansion pack is sure to challenge your inner engineer to create bigger, more exciting designs. This expansion pack includes connector square magnetic tiles, wooden balls plus a range of clear, fluted tubes – an X-shape to re-direct and pivot the action, double-entry bowls for new ways to collaboratively play and race, spiral pieces for eye tracking fun, plus 1/2 and 1/4 pieces for twists and turns. Read Less...