VibeWin Score is led by your real chance of winning — how many people you're up against — then prize value, entry effort, eligibility, deadline, and trust.
No public entry count — the score weighs the likely crowd in.
Smaller crowd: some effort to enter · niche prize · small prize · short entry window
Bigger crowd: open worldwide
Red Star Tec SC-216 Scientific Calculator (ARV $12.29).
Entry rules: +29 one-time bonus entries · max 29 total
Open to humans age 21 or older. Excluded countries: Taiwan, South Korea, Portugal, Italy, Austria, China, Russia, Hong Kong, Greece, France, Japan, Spain, Czech Republic.
Win a Red Star Tec SC-216 Scientific Calculator.
VibeWin scores this 68/100 — worth a look. The prize is worth about $12.29. It's open worldwide. Entry takes a few minutes. You have 8 days to enter. We didn't flag any major red flags.
VibeWin is an independent giveaway tracker — we rate giveaways on prize value, eligibility, effort, and red flags so you can tell the ones worth entering from the time-wasters. We're not affiliated with this giveaway; you enter for free on the sponsor's official page, and no legitimate sweepstakes ever requires a purchase.
Tracked by VibeWin since Jun 2026.
You enter on the sponsor's official page, not on VibeWin — use the "Open official giveaway page" button and follow their steps. VibeWin lists those steps and roughly how long they take, so you know what to expect before you start.
It's open worldwide, and you must be 21 or older. Always confirm the eligibility rules on the official page before entering.
Yes — no purchase is necessary to enter, and the prize is worth about $12.29. You should never have to pay to enter a sweepstakes.
Ends in 8 days. Create a free VibeWin account to set a reminder so you don't miss the deadline.
We can't see a published entry count for this one, so your odds come down to the size of the crowd. A niche or lower-value prize like this usually draws a smaller crowd, which helps your odds. VibeWin's 68/100 score already weighs the likely crowd in, so you don't have to.
VibeWin rates the Prime Day + Early Back-to-School Giveaway: Win the Red Star Tec SC-216 Scientific Calculator worth a look at 68/100 — it's worth a look if the prize is something you'd actually use. The prize is worth about $12.29.
VibeWin scored it 68/100 — weighing your real odds of winning first, then prize value, eligibility, entry effort, and red flags. We didn't flag any major red flags. As always, enter only on the official page and never pay to enter.
VibeWin tracks and scores hundreds of giveaways — browse them all or see more kids & family giveaways.
