philadelphia group 451890 mad science floating sun blimp
the philadelphia group amazing science kits solar balloon fill this six foot balloon up with air ; let it sit in the sun ; then watch it rise makes a great school science project this kit contains one 6ft solar balloon ; string ; and an instruction sheet recommended for ages 8 and up warning choking hazard small parts not for children under 3 years this set contains chemicals that may be harmful if misused adult supervision required imported dimensions height 9 75 width 5 15 depth 1 5 sku nmg44518
philadelphia group