Thank you for viewing. This product is a training machine for balance bikes. By practicing with this every day, your leg turnover will become significantly faster. The front tire is fixed, allowing you to train indoors even on rainy days. Effective training is possible even in a small space, such as improving leg turnover and leg strength, and correcting form. The front tire fixing part can be adjusted forward and backward according to the size of the body, so it can be used by a wide range of children, from small children around 2 years old to larger children around 8 years old. Condition: Brand new Weight: Approximately 16.5 kg Suitable age: 2 to 8 years old *The part that fixes the tire will be disassembled for shipping, so please assemble it yourself. An instruction manual is not included, but you can easily assemble it by using the included hex wrench and spanner to fix the bolts.