Knock, knock, knock! Who's hiding behind the barn door? This pretty board with locks illustrates the daily life of the animals on the farm and their young ones. It consists of 5 doors with different opening mechanisms: wooden hooks, wooden bolts, a door chain, a flip latch, and a sliding bolt. Each door is marked with a different number and offers a surprise! This number corresponds to the number of baby animals hidden behind the door. Perfect for playful, entertaining moments on the farm! Develops fine motor skills while teaching numbers and animals. Toy made from FSCTM wood. For children aged 3 and up.