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Science Project Experiments Catapult Kit - S.P.E.C.K. (tm)
 The Ultimate Science Project Experimenter's Catapult Kit! It's fully adjustable, multi-configurable and repeatable. Now made from top-quality Engineered solid-oak plywood.
   $70.00  more info

The Science Project Experiments Catapult Kit
 The Ultimate Science Project Experimenter's Catapult Kit! It's fully adjustable, multi-configurable and repeatable. Now made from top-quality Engineered hardwood plywood.
   $70.00  more info

TK3 Model Trebuchet, Hobbyist Version
 The TK3 Trebuchet Model Kit is an ideal science project machine! Use the hanging counterweight bucket for variable weights, or convert it to a fixed counterweight machine, wheels, or no wheels. The choice is yours!
   $79.00  more info
Tell your friends!

What I hear, I forget.
What I see, I remember.
What I do, I understand.
-- Ancient proverb
(More information about the educational value of model building.)

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