Philadelphia Group Mad Science Make Your Own Mini Rubber Balls Kit: * This kit has everything you need to make two super-high bounce balls * This package contains one plastic ball mold, four assorted colors of bounce powder and one instruction sheet * Recommended for ages 8 and up * WARNING: CHOKING HAZARD-Small Parts * Not for children under 3 years * This set contains chemical that may be harmful if misused * Adult supervision required * Imported