Having a tonic very little one awake !! It has been 3 days since my son wanted to stand on my knees ... (he just turned 4 months) not wanting to get used to the arm so I opted for this wonderful activity base ... I read all the reviews !! and I fully agree with the other client (s) fast delivery !! easy installation !! My 3 year daughter has fun like crazy with his little brother !! I recommend it without hesitation