Strengthening Attention with Coding This book, which belongs to Children's Academy Publishing, consists of 40 pages and sticker pages. It has been prepared for children between the ages of 4-6 under the supervision of an expert psychologist and child development specialist. It includes many fun coding activities such as -Listen and code -Symmetric coding -Nonogram -Resfebe -Location and direction coding -Subtractive coding. The answer key to the codings is on the back page of the book.