The bright colors 🌈 number busy book attract the kids, and the kids can write non-stop, wipe and write again! So, Rainbow Busy Book my number product descriptions are: 1. Hardcopy writing and tracing Rainbow Number Busybook 2. A4 size 3. 20 pages from number one to twenty activity after laminated 4. 1 cover page to write on kid's name 5. Eraser marker pen to write, wipe and write again 6. Age recommendations for 3 years old and above. What are benefits to kid : 1. Creative tools to facilitate kid's development 2. Interactive activity allows kid to use their hands 3. Their mind to solve the activity on the workbook 4. Bright colors to attract the kids to practice writing 5. Improve their concentration and independence 6. It helps kids to explore to their heart's content You will be amazed when you get to see the child to be able to trace and write number by learning how to use their hands and imagination to help them interact with things. All you need to do is give them an encouragement in the right direction. Rainbow Busy Book requires handmade and is laminated every activities. It will not be easy to tear and playable for long time. Feel free to chat with us to order or inquiry. ♥ It is invaluable fun time with kids on the Education Learning Montessori to have My Rainbow Busy Book write number from one to twenty on A4 size laminated page to practice tracing ♥