Мамонова Ирина

Мамонова Ирина

Мамонова Ирина
More ideas from Мамонова
Чем занять ребенка, игры для детей, pupslove

Balloon Rockets - I've done this in several science camps I've conducted. Kids have fun with it. But, when the balloon deflates it may fall off the straw because it's surface area changes - another good thing to show and explain to kids.