Place the blocks, press Play, and watch as one collision triggers the next. You build the solution, and physics reveals whether it works.
Current US price
Outdated, last checked 9 days ago
3 US price changes since tracking began. Latest: $3.99. Lowest recorded $0.99 on Oct 8 UTC.
| Date (UTC) | Price |
|---|---|
| Oct 8 | $0.99, 75% off $3.99 |
| Oct 9 | $3.99 |
| Oct 16 | $0.99, 75% off $3.99 |
| Oct 16 | $3.99 |
