Encourage your child to learn while they play with the Locks Board from Melissa & Doug. Designed for ages 3 years and older, this set includes 4 locks for kids to practice opening---each with a unique combination or key! This thoughtfully developed play set gives classic teaching manipulatives a fresh new look. Durable constructions, sturdy components, and timeless play patterns. Measures 12" x 9.25" x .625" packaged.