Gumball Tokens (GBT) are bought from the bonding curve in exchange for ETH. GBTs are required to retrieve Gumball NFTs (gNFT) from the Gumball Machine.


  • ETH balance > current gas fees


1. Select the 'Exchange' tab on the toolbar

2. Select your collection of interest

3. Navigate to the Exchange section in the top-left of the page

4. Enter the amount of GBT(s) you'd like to buy

NOTE: Multiples of 1 GBT is required to use the Gumball Machine (1 GBT = 1 gNFT)

5. Click 'Swap', then 'Confirm Swap'

6. Click 'Confirm' on the Metamask pop-up to approve access to ETH

7. Click 'Confirm' on the next Metamask pop-up to initiate buy