How many stars are in the sky? Countless? But can it be six? Is 1 + 1 = 2 or equal to 3? Math can be playful and fun - that's what you have if you have a Qobo math extension kit!
How many stars are in the sky? Countless? But can it be six? Is 1 + 1 = 2 or equal to 3? Math can be playful and fun - that's what you have if you have a Qobo math extension kit!