Amazon.com: Lego HERO Factory SURGE 6217 : Toys & Games
Amazon.com: K'NEX Cyber-X C10 Crossover Legacy with Motor - Blasts up to 60 ft - 460 Pieces, 7 Builds, Targets, 10 Darts - Great Gift Kids 8+ : Toys & Games
Amazon.com: K'NEX 70 Model Building Set - 705 Pieces - Ages 7+ Engineering Education Toy (Amazon Exclusive) : Toys & Games