The kids make a metal detector to find a missing time capsule.

Rosie's convinced she needs bigger muscles to karate chop her way through a wooden board. 

The kids build a high-tech nurse bot to help Mom Twist fight the flu.

Iggy designed an awesome skate park but has more fun watching his friends enjoy it. 

Iggy's on a mission to make his kite fly.

When Arthur claims the Twist Family Egg Hunt is too easy for him, Ada vows to make it egg-stra challenging. 

The kids learn to pivot when their plans to build a snow fort don't pan out.

Ada and company construct a parachute, using eggs as crash-test dummies. 

The friends help Arthur figure out why he can't score a goal in soccer.

Ink disappears right before Ada's eyes, but was it magic... or science? 

The kids work together to get Mooshu — and Arthur's toy helicopter — down off the roof.

It's science to the rescue when Arthur's pet lizard goes missing.