Learning and developing skills are very effective during your children's early years. However, they're kids so it's important to make learning fun. This Den Kit is undeniably fun, but it also encourages kids to develop their problem-solving skills while honing their imagination and creativity! It's complete with 36 balls and 51 pipes that they can assemble on their own. When they play with friends and family, they also have the opportunity to learn to cooperate and collaborate with others.