Super Secret Test Tubes Extreme Energy
Work with the Classified Science Bureau to unlock the secret x-Treme Energy formula. This mystery tube contains 2 unique experiments and 1 secret formula.
- 6 test tubes to collect - can you unlock all the missions?
- 2 experiments inside each test tube
- 10 plastic colour changing beads, 10" cotton string, 1 plastic test tube with lid, Activity Guide
- Recommended for ages 6+