Create your own 3d tyrannosaurus rex with build your own dinosaur arriving flat pack in 85 unique pieces constructing the dinosaur can provide entertainment for hours the build your own kit creates an intelligent t rex with sound activated movement simply clap to make the dinosaur come to life clap once to make the t rex move forwards twice to go right and three times to go left features build your own dinosaur sound activated movement suitable for ages 6 85 pieces included