According to Official Guinness Records,
The largest dancing lion measured 6.2 m (20 ft 4 in) long, 4.36 m (14 ft 3 in) high and 2.1 m (6 ft 10 in) wide and was manufactured by MGM GRAND Macau (China) for the Chinese New Year celebrations on 14 February 2010.
The 'Grand Lion' weighed 113.3 kg (250 lb). The lion danced for 15 minutes operated by four people.
For a complete list of 2010 records, please visit 2010 Guinness Records in China.