Amazon.com: LEGO® MINDSTORMS® Ultrasonic Sensor (9846) : Toys & Games
LEGO Harry Potter Hogwarts Castle 71043 Building Set - Model Kit with Minifigures, Featuring Wand, Boats, and Spider Figure, Gryffindor and Hufflepuff Accessories, Collectible for Adults and Teens - Walmart.com
LEGO 71705 NINJAGO Legacy Destiny's Bounty Toy Building Kit (1,781 Pieces) - Walmart.com