1, 8-12 digits calculator
2, 1-3 floaters as per your speicl design can be put inside liquid on the top of calculator
3, Operated by 1 x AG10 cell button battery (included ),solar function
4, You can have your prefered liquid floater and product colour and liquid colour.
5, Your logo or special design can be printed on the cover or in the liquid tank.
6, Best selling for promotion gift.
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