For Snap Circuits® Parts:

If you have recently received or purchased a SNAP CIRCUITS® toy and there are missing or defective parts, please fill out the following request form (limited to 3 parts per customer). This does not apply to lost parts, parts damaged by customer misuse, or parts missing in used sets.
To purchase additional parts: Click Here (for Canada Click Here and for UK Click Here) or download this form and mail it to us with payment. If you can’t find the model you’re looking for or if your request concerns more than 3 parts, email support@elenco.com.

For Everything Else:

If you need a replacement part for any product other than Snap Circuits®, please e-mail support@elenco.com.