The Chillafish Bunzi gradual balance bike is a unique 2-in-1 balance bike & tricycle that can be switched between 3-wheel mode and 2-wheel mode in just a few seconds with no tools needed. Its been in the Chillafish family since the very beginning and has proven to be a best buddy to grow with your child for years. Bunzi is uniquely designed to help teach your child to balance at their own pace in a fun and step-by-step way: start in 3-wheel mode and switch to 2-wheel mode when your child is ready. The seat also grows with your child and has incorporated hidden storage so your little one can bring their favorite snacks or a toy along for the ride! The Chillafish Bunzi 2-in-1 balance bike can be used indoor and outdoor. The silent anti-skid synthetic rubber tires are non-marking, so no worries when they want to ride inside the house. Bunzi is made of a very lightweight high-quality ABS material, which makes it easy to carry around thanks to the seat handgrip carrying handle. Designed with cute bunny-style handlebars, it is an intuitive design that grows with your child and comes in vibrant colors to display their personality. Chillafish has world-wide expertise when it comes to balance bikes and all sorts of wheeled toys and is determined to bring the Chillafish values to the wide world. Entering the households of more than 1 million people makes them experts in creating fun, innovative and high-quality sustainable toys that withstand the test of time to hand down to little brother or sister. Recommended for ages 1-3 (26.6 43.3 inch childs height and maximum 55 lbs childs weight). Seat height is 8.7 inch in 3-wheel mode and 9.8 inch in 2-wheel mode Item weighs 4.16 pounds