Mini Challenges
414
Invent something to keep in your pocket
413
Sibling love
Invent something to annoy your little brother or sister
412
Planet
Design your own planet
411
Teacher's pet
Invent a teacher’s pet
410
New mum
Invent something for a new mum
409
Dog day
Invent something for a dog
408
Baby toy
Invent a new toy for a baby