This puzzle set enhances the problem-solving skills of young, curious learners. It improves their spatial and logical intelligence as well. Chunky, fine cut pieces make them perfect for little hands. Let your kid explore different themes through these pieces!. Transport Activity Book. This book makes early learning fun! Filled with colorful pictures, this book introduces curious children to vehicles on the move -- trains, planes, and trucks. This book displays exciting vehicles that float, fly or speed across the land. Explore different vehicles and discover fun facts and figures about them while doing the creative, fun-filled and informative activities through this book.