Muscle Wire Solar Space Wing Kit
Super Science fun with a wacky metal alloy; Build your own light-powered butterfly with flapping wings; Stays expanded when cold, contracts when warm; Contains all parts for the Solar Space Wing butterfly. $24.99
Super Science fun with a wacky metal alloy; Build your own light-powered butterfly with flapping wings; Stays expanded when cold, contracts when warm; Contains all parts for the Solar Space Wing butterfly. $24.99
