Letters are special shapes
Why?
Letters are shapes that stand for sounds, different from numbers and pictures.
A pile of blocks shows a cat picture, the number 3 and the letter B; the letter B lights up and jumps out of the pile.
Press the button to sort the blocks into letters, numbers and pictures.
Loading the 3D picture.
Drag the picture to look around.
Magnetic letters, numbers and shapes slide off a fridge and sort themselves into three groups.
Interactive labs
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