A special needs trust has been likened to a "parent's pocket" -- that is, it pays for the kinds of things that a parent would just reach into his or her pocket to cover.
Kiddie Tax Changes May Increase Burden for Families with SNTs
Major changes to the “kiddie tax” could significantly increase the tax liability of assets placed in special needs trusts if the trust’s beneficiary is a minor and the income the trust earns is high enough.