Index / Network / Hold
Hold a sealed itemSandbox
Pick a part, pick a Keeper by region, prepay fees in test USDC, and get a receipt you can redeem for delivery or sell on the market without the box moving.
1 Sign in 2 Choose a part 3 Choose a Keeper 4 Request the hold 1. Sign in✓ Sign in with a wallet to continue. No email, no password, no fee.
Connect wallet and sign in
You need a wallet for this
Any Ethereum wallet works and the sandbox costs nothing. On a phone, open this page inside the wallet app. On a computer, install a browser wallet, then reload.
MetaMask Coinbase Wallet Rabby 2. Choose a part and see the quote✓
Part Corsair Vengeance LPX 32GB (2x16GB) DDR4-3200 CL16 · $248.64 · T1 G.Skill Ripjaws V 32GB (2x16GB) DDR4-3200 CL16 · $249.99 · T1 Kingston FURY Beast 32GB (2x16GB) DDR4-3200 CL16 · $248.64 · T1 TEAMGROUP T-Force Vulcan Z 32GB (2x16GB) DDR4-3200 CL16 · $248.64 · T1 Corsair Vengeance 32GB (2x16GB) DDR5-6000 CL30 (EXPO) · $439.00 · T1 Corsair Vengeance 64GB (2x32GB) DDR5-6000 CL30 (EXPO) · $1,360.00 · T1 Crucial Pro 32GB (2x16GB) DDR5-6000 CL36 · $379.00 · T1 G.Skill Flare X5 32GB (2x16GB) DDR5-6000 CL30 (EXPO) · $400.00 · T1 G.Skill Trident Z5 RGB 32GB (2x16GB) DDR5-6000 CL30 · $429.00 · T3 G.Skill Trident Z5 RGB 64GB (2x32GB) DDR5-6000 CL30 · $1,360.00 · T1 Kingston FURY Beast 32GB (2x16GB) DDR5-6000 CL30 · $479.99 · T1 TEAMGROUP T-Force Delta RGB 32GB (2x16GB) DDR5-6000 CL30 · $635.00 · T1 NVIDIA GeForce RTX 4090 24GB (used-market index) · $2,342.00 · T3 NVIDIA GeForce RTX 5080 16GB · $999.00 · T1 NVIDIA GeForce RTX 5090 32GB · $1,999.00 · T1 Nintendo Switch 2 — Japanese-language edition (Japan-only) · $315.67 · T1 Prepay 1 month 3 months 6 months 12 months
3. Choose a Keeper and request the hold✓ Complete the previous step first.
Pick a Keeper
Sandbox Keeper (Tokyo) JP-13 · holding 3 · simulated
Serial or box ID (optional, stored only as a hash) Request hold
Your receipts Refresh Complete the previous step first.
My offers
Need test USDC? One transaction mints 5,000 from the sandbox token. Get 5,000 test USDC
Market Fee tiers JSON