Sponsored by Girl Scout Troop 2951, the wars will take place from 7 to 8:30 p.m.
Combatants are to provide creativity, while the contest will provide the mystery box and cupcakes.
Registration is $20 for a mother/daughter pair and $5 for each additional girl. The deadline for registration is Jan. 29.
To register, make a check payable to GSHH Troop 2951 and mail to Kathy Daigneault, 343 Starr Ridge Road, Brewster, NY 10509.
Participants can bring cameras and phones for selfie photo stations.
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