Tourists try moulding bricks at Legoland Discovery Centre in Toronto, Canada, March 1, 2013. Canada's first Legoland Discovery Centre opened to the public on Friday. (Xinhua/Zou Zheng)

Visitors admire brick creations of landmark locations of Toronto at Legoland Discovery Centre in Toronto, Canada, March 1, 2013. Canada's first Legoland Discovery Centre opened to the public on Friday. (Xinhua/Zou Zheng)

Visitors admire a hockey arena model built by bricks at Legoland Discovery Centre in Toronto, Canada, March 1, 2013. Canada's first Legoland Discovery Centre opened to the public on Friday. (Xinhua/Zou Zheng)

A little boy works on his brick creations at Legoland Discovery Centre in Toronto, Canada, March 1, 2013. Canada's first Legoland Discovery Centre opened to the public on Friday.(Xinhua/Zou Zheng)

A boy works on his brick creations at Legoland Discovery Centre in Toronto, Canada, March 1, 2013. Canada's first Legoland Discovery Centre opened to the public on Friday.(Xinhua/Zou Zheng)