Matching Pairs InventionsOnline version Based on the unit 7 Good Idea! of the book Our world 4! by Claudia Casanova 1 A Wheel 2 Imagination 3 Try 4 Electricity 5 A solution 6 Battery 7 Fail 8 Invention 9 Invent 10 A problem 11 Useful 12 Creativity 13 Idea 14 Succed