The BERG Buddy features 4 pneumatic tyres and this combination with the swing axle makes this go-kart safe and stable as the swing axle means that all 4 wheels will remain on the ground even when you are on an uneven surface. The BFR system on this go-kart enables your child to set off easily. You can brake using the pedals and also reverse immediately after coming to a standstill. The BERG Buddy grows along with you and adapts to the height of your child thanks to the adjustable seat. Perfect for children ages 3-8 years.