The 'no return/exchange' policy applies here too. I try to provide measurements that —while not accurate down to the last decimal point— should give you a pretty good idea of how big the toy is. Generally, a small discrepancy in those numbers isn't enough to change a toy from usable to completely unusable. Since 'too big/small' is a completely subjective issue, and plenty of people are capable of utilizing a range of sizes rather than one highly specific size, there's no way for me to make a guarantee that a toy's sizing will be perfect for any given person. I cannot take a toy back or refund you for it... especially if you found out that the size didn't work out by using it! If you really want to recoup your monetary losses, there are secondhand communities where you can sell or trade your toy. If you're unfamiliar with the secondhand market, you may be surprised at how much of your purchase price you can get back even on a used toy. Rare or desirable models might even fetch more than their original sale price!