1. Jacob Beaty Yixin Liu Ben Matzke

3.  Based on spinning motion Age Group  Children aged 8 and up Interaction with toy  Child will press on the plunger which causes the paper strip to spin  Child learns about traditional films and perception of motion in frames (step motion)  Child can design and animate their own movies Physical Principle

4.  Lead screw  Spring  Considering the use of LEDs and bulbs to illuminate from the bottom Cost, durability and safety  Durable except for the possible use of the need to change batteries when needed  Safe since no small or sharp parts exposed Other materials