An eight digit calculator powered by WATER!
- To activate the calculator, pull out the transparent tube on top by turning it counter clockwise.
- Take the included straw, draw water once, and put it in the tube.
- Once the water is in the tube, put the straw away for further use and close the tube tightly.
- Press the "ON/C" key, the LCD shows 0 and your calculator is working.
- When the display begins to fade (it lasts awhile), add more water.
Risk of choking! Please be careful not to allow small children to play with this product, some of the parts are removable and could cause a risk of choking.