Which one would you pick?
The child carrier (basically sits on your bike, behind you.)
The bicycle trailer (one you pull when riding your bike and the child sits closer to the ground.)

 

logo Which One Should I Use To Take My 7 Month Old Biking With Me?? A Child Carrier Or A Bicycle Trailer???
GlideAway 4 Bike Rack Carrier 2 Hitch Mount Receiver Easy Cargo Access
GlideAway 4 Bike Rack Carrier 2 Hitch Mount Receiver Easy Cargo Access
Paypal   US $117.50
Bell Classic Bicycle Child Carrier
Bell Classic Bicycle Child Carrier
Paypal   US $15.50
Thule Frame Adapter Bike Carrier Accessory NEW 982XT
Thule Frame Adapter Bike Carrier Accessory NEW 982XT
Paypal   US $19.99