Available only from Hammacher Schlemmer, this is the building block kit that enables a child to create a variety of utility trucks. Its 838 interlocking pieces snap together to form one of two pre-designed models or a future engineer’s custom creation. The assembled vehicle is controlled by an included wireless remote that enables one to drive the unit forward or backward. Includes two color booklets with step-by-step instructions. Its 3.6-volt Lithium-ion battery recharges via an included USB cable; remote requires two AA batteries. Assembled truck is 14 1/2" H 6 1/2" W x 8 3/4" D. Ages 6 and up.