From Mattel Toys. The martial arts Pokemon Machamp is ready to build with Mega! Build Machamp, then turn the crank to activate its punching motion. Standing 7-inches tall with 4 articulated arms, Machamp is a show-stopping building set you won't want to miss. The 401 pieces combine with all Pokemon building sets by Mega and are compatible with other name brands. Ideal for ages 8 and up.