12 months & up. This push-along activity walker is designed to keep your toddler busy with so many fun activities to do! The wagon includes 12 building blocks containing a letter, a number, and a new word with pictures. The blocks can be stacked and stored in the connecting connector block base which is compatible with other interlocking building block brands. Other activities include oversized sliding beads and colorful spinning gears which are ideal for building hand-eye coordination. The walker has a sturdy wooden base, durable plastic wheels, and features soft corners for safety. Measures 11.75"W x 5"L x 14.75"H.