20 HEXBUG-Compatible Batteries Save 80% on replacement batteries for HEXBUGs Fully HEXBUG-compatible; works with all HEXBUG robotic creatures Replaces Original battery, HEXBUG Nano battery, HEXBUG Spider battery, HEXBUG Ant battery, HEXBUG Crab battery & HEXBUG Inchworm battery Click on company link above to see 40 & 100 count pricing.