SKU: 6314015899
Ships within 48 hours · Estimated delivery Aug 25 - Aug 30
spiral-bound book--great for travel
moving head
The puzzles are made in super-thick white-lined card
1 x Collectors Guide
4M Science In Action Electric Plane Launcher Exost spiral-bound book--great for travelReady for take off! Discover how spinning motors and pulley wheels can launch a paper plane at up to 40 km h. Build your paper plane launcher, try out some different paper plane designs and then launch them! Work out which designs fly furthest, fastest or do the best acrobatics! The plane launcher uses two rotating wheels. A lot of energy is stored in the wheels when they are spinning. When you slip your paper plane in between, some of the energy if
US$ 62.45
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US$ 62.48
