How do promotional coupons work? For instructions on how to use your valid LEGOLAND® Discovery Center Michigan promo code or coupon, Click HERE. Related articles How can I tell if my coupon is valid at LEGOLAND® Discovery Center Michigan? Can I use a Buy One Get One (BOGO) coupon to purchase a combination ticket? How can I contact the LEGO® Retail Shop at LEGOLAND Discovery Center Michigan? What is LEGOLAND® Discovery Center Michigan located and what is the address? How long do school field trips last at LEGOLAND® Discovery Center Michigan?