LEGO White Brick 1 x 2 with Groove (4216) | Brick Owl - LEGO Marketplace
2x) Lego 4216 Brick, Modified 1 x 2 with Groove White | eBay
LEGO® 4216 421624 - 6288087 - ToyPro
LEGO City Police Mobile Command Truck Toy, 60315 with Prison Trailer, Drone, Tractor and ATV Car Toys plus 4 Minifigures, Presents for Kids Age 6 Plus - Walmart.com
Brick, Modified 1 x 2 with Groove : Part 4216 | BrickLink
Brick, Modified 1 x 2 with Groove : Part 4216 | BrickLink