21 of the best Lego Duplo Sets for Toddlers | Gathered
BrickLink - Part 52189c01 : LEGO Duplo Siren with Light and Sound, 1 x 2 Base with Yellow Button and Trans-Dark Blue Light Covers [DUPLO, Vehicle] - BrickLink Reference Catalog
2x Lego Duplo Motif Stone Azure Light Blue 2x2 Printed Nr.1 Set 10539 3437pb062 4059632296387 | eBay