Duplo, Brick 2 x 2 with Black and White Eye with Spot Pattern on Opposite Sides : Part 3437pe1 | BrickLink
LEGO part 3437 - Light Bluish Gray Duplo, Brick 2 x 2 at BrickScout
Source Compatible legos Duplo 2*2 Brick blocks 2x2 Large particles building block for 3+age brick games bulk legos toys (NO.3437/31460) on m.alibaba.com
LEGO® 3437 4183780 - ToyPro
LEGO (x5) DUPLO BRICK 2x2 #3437 | eBay
LEGO part 3437 - Bright Green Duplo, Brick 2 x 2 at BrickScout
LEGO Duplo Brick 2 x 2 with point on eye (3437) | Brick Owl - LEGO Marketplace
Lego Duplo Brick 2x2 #3437 by Idea Prints | Download free STL model | Printables.com