Can't get enough of building? Then this Budding Builders Building Set from the Kid K'Nex series is perfect for you! It offers 50 different building ideas. It's all possible, because the set contains 100 pieces to build with. This gives you hours of building and playtime fun! Building with K'Nex encourages the development of motor skills, coordination, and spatial awareness. Suitable for children ages 3 and up.