S1·E40 Bubbles

Tinky Winky tries to sleep, but before he can sleep, Noo Noo keeps trying to tidy up his blanket and wake him up. The Teletubbies watch some children making bubbles. Magic things happen to Laa-Laa's ball when she throws it, it turns Big and Small, it changes into shapes and then it turns into the Letter e and then back to normal.The Windmill spins for the Three Ships.