Bugaboo Kangaroo Sibling Seat vs Mockingbird 2nd Seat Kit 3.0

They're made for different strollers: check each fit list. The 2nd Seat Kit 3.0 goes to 45 lb; the Kangaroo Sibling Seat to 40 lb. The 2nd Seat Kit 3.0 lists for $124 less.

Only the differences are shown.

Bugaboo Kangaroo Sibling SeatMockingbird 2nd Seat Kit 3.0
TypeRide-on board or second seatRide-on board or second seat
List price$299$175Lowest price
Fits these strollersBugaboo Kangaroo only (stroller must be in double mode)Mockingbird Single-to-Double Stroller. Not compatible with the Single Stroller or Travel Stroller.
Child weightUp to 40 lbUp to 45 lb
Material100% polyester fabric, 100% polyurethane foam fillNot listed
Machine washableYesYes
Maker's use notesMaker max 40 lb in the lower position. Main seat only in the upper position. Maker advises against other brands' accessories. Fabrics machine washable at 30 C (86 F).45 lb limit per seat in double mode. an infant accessory (Bassinet, Infant Seat Insert or Car Seat Adapter, sold separately) for young infants until head and neck control.

Bugaboo Kangaroo Sibling Seat

Second seat for the Kangaroo that carries a toddler in the lower position.

  • Machine washable fabrics
  • Clear weight limit
  • Kangaroo only
  • List price $299

Mockingbird 2nd Seat Kit 3.0

Second seat that converts the Single-to-Double Stroller into a double, with reversible seats and a reversible seasonal liner.

  • Reversible seasonal liner is machine washable
  • Tool-free install
  • Built-in leg shade
  • Only for the Single-to-Double Stroller
  • Infant accessory sold separately for young babies
Ask the meadow

Kangaroo Sibling Seat or 2nd Seat Kit 3.0?

Answers come from each maker's published specs. Safety and health questions link to the agency or medical source.

Is the 2nd Seat Kit 3.0 cheaper than the Kangaroo Sibling Seat?

Yes. $175 versus $299 list price. Fit depends on the exact stroller model and year. Check your stroller's model number against the maker's list before you buy.

Still wondering? Write to us at hello@cribpicks.com and we'll look it up.