The Ylvi secret message pen writes with invisible ink that only becomes visible when illuminated with the star topper's UV light. Batteries included, which are not replaceable.
Length
1.8 cm
Width
5.6 cm
Height
14.2 cm
Weight
0.0265 kg
Recommended Age
5
Warnings: battery disposal
Length
1.8 cm
Width
5.6 cm
Height
14.2 cm
Weight
0.0265 kg
Recommended Age
5
Warnings: battery disposal
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