4M Space Air Engine Kids Science Kit – Link
Amazon has this currently marked down to only $7.66.
- Perform various experiments, defy gravity and make the glow-in-the-dark ball float mid-air
- Teaches about bernouli’s airflow principle and other STEM based concepts
- Includes parts, ball and instructions.
- Requires two AAA batteries (not included)
- Recommended for age 8 years and up