(SCIENTIFIC) 3 in 1 Cosmic Racers (Age 5+) Create your own Cosmic Racers.. Features: - Fuelled by baking soda & vinegar. - Easy-to-follow instructionc and cool racers included. - Contents: 3 plastic bottles with stoppers, 4 wheels, 2 foam boards, 4 flying wings, 4 poles with stands, colour stickers. - Fantastic family fun. - Suitable for children age 5+ years of age.