Some sellers still offer brand new, sealed units, though they are rare.
If you have a printer, you can download a 3D model of Zingy to make your own. π· Visual Examples
You can find both (the EDF Energy mascot) and My Keepon (the interactive robot toy) primarily on secondary marketplaces like eBay and Etsy. Since they are no longer in mass production, "buying" usually involves finding vintage or pre-owned listings. π€ Buying My Keepon
eBay is the most reliable source for the interactive dancing robot version (KP1001).
Ensure the listing specifies if it still dances, as the internal motors can wear out over time. π₯ Buying Zingy (EDF Mascot)