Mega Bloks Building Set Only $5.99 (Reg. Price $19.99) June 9, 2015Baby Deals, Online Dealsfeona Kmart.com has the Mega Bloks on sale for $5.99, shipping is $6.99. Great toy from ages 1-5. You can go here for this deal! Never miss a deal! Come and Join our Facebook Coupon Group!