You won’t need to be a rocket scientist to construct these DIY kits. These officially licensed NASA building sets are a fun challenge for fans of the space program. The kit includes instructions and an Allen wrench for construction. Recommended for ages 12+. Rocket kit includes 458 pcs; 12” H. Lunar Lander includes 412 pcs; 6” H. Mars rover includes 214 pcs; 5 ½” H. Shuttle includes 134 pcs; 9 ½” H.