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Crazy Contraptions Activity - 10 Pack Grades: 4+ Activity Guide PDF NGSS Alignment PDF What kind of contraption will you build? Crazy Contraptions is a thought provoking activity that engages students in the design and construction of exciting and innovative Rube Goldberg style mechanisms. The comprehensive Crazy Contraptions Activity Guide facilitates the conceptualization, understanding and application of simple and complex machines. Utilize the template for a standard frame on chipboard or another surface, or set your contraption on a 12"x12" wood base with drilled slots, perfect for connector strips. What's Included: 160 - Connector Strips 11 - Marbles 10 - 70mm Pulleys 10 - 55.5mm Pulleys 10 - 25.5mm Pulleys 10 - 9mm Pulleys 10 - 50 Tooth Gears 10 - 40 Tooth Gears 10 - 20 Tooth Gears 10 - 10 Tooth Gears 10 - Toy Cars 20 - Portion Cups 50 - Chipboard Sheets 4 - Wire Rolls 5 - Slide-Stop Materials 100 - Perpendicular Blocks 100 - Dowels 20 - Basswood Strips 40 - Angle Brackets 200 - 1" Screws 200 - Hex Nuts 50 - Rubber Bands 60 - Stop Clips
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🇺🇸 Ship from USA · On Agora since 2025
$150.48