The most likely reason is that the eggs in 99math are tied to a timed or limited feature, so they may not be available to collect all the time. Recent app reviews also mention that some rewards and mini-games are restricted or slow to unlock, which fits with players feeling like items are “there” but not actually collectible yet.

What to try

  • Check whether the eggs are part of a special event or a reward track.
  • Make sure you’ve completed any required lesson, round, or mini-game first.
  • Try restarting the app and joining a fresh game session.
  • If it still happens, it may be a bug or a feature that isn’t fully available on your account yet.

Why this happens

In games like this, collectible items are often controlled by game state, not just by tapping on them. That means an egg can appear on-screen but still be locked until you finish a task, reach a stage, or wait for a timer. The App Store reviews for 99math also suggest some features can feel gated or delayed rather than instantly accessible.

Simple check

If you want to test it quickly, ask yourself:

  1. Am I in the right mode?
  2. Did I finish the required activity?
  3. Is this from a limited event?
  4. Does it happen every time or only in one game?

TL;DR: you probably can’t collect the eggs because they’re locked behind a mode, task, timer, or event condition rather than being fully active all the time.