LEGO Blue Brick 1 x 2 with Groove (4216) | Brick Owl - LEGO Marketplace
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
1x2 Brick Modified with Groove, Lego® Part Number 4216 Dark Bluish Gra – Atlanta Brick Co
LEGO Parts 4216 (2pcs) Brick, Modified 1 x 2 with Groove | eBay