- Discover the science of batteries by building a lemon-powered clock.
- Made using safe and high quality materials, just add a lemon for a fun lesson in battery science.
- Included in the package are copper and zinc plates, wire, and a clock.
- The required lemon is not included.
- This clock is recommended for ages 5 and up.
- Challenge your child's imagination with 4M toys and kits.
- 4M educational toys cover a wide range of educational subjects and include science kits, arts and crafts kits, robotics kits, and more.