Science series. The Lab Rats investigate buoyancy at Richard's top secret testing facility, by filling a paddling pool with salt in order to float a sand-filled rubber duck. Show more
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Science series. The Lab Rats investigate buoyancy at Richard's top secret testing facility, by filling a paddling pool with salt in order to float a sand-filled rubber duck. Show more
CBBC is the BBC's multiplatform offering for 6-12 year olds bringing the very best drama, entertainment and factual programmes to its young viewers.
