toy balls
philadelphia group mad science make your own mini rubber balls kit
br b philadelphia group mad science make your own mini rubber balls kit b ul li this kit has everything you need to make two super high bounce balls li this package contains one plastic ball mold four assorted colors of bounce powder and one instruction sheet li recommended for ages 8 and up li warning choking hazard small parts li not for children under 3 years li this set contains chemical that may be harmful if misused li adult supervision required li imported ul
tombow
li mad science make your own mini rubber balls kit li super high bounce balls
battery type does not contain a battery category educational kits composite wood code no country of origin  components imported cpsc regulated indicator n has mercury n multipack indicator n