Mega Construx website is operated by megaconstrux.com, a mid-size Toys retailer in the country. Currently we are providing 13 offers. In general, the WebbyPlanet community publishes 8 new Mega Construx coupon codes or deals each month, with discounts that range from 6% to 94% off. This page was last updated on May 22, 2019. Never miss a great Mega Construx promo code or online coupon and save money on your Building Toys purchase by using deals on this page.