Slotted Mass Set, 1000g, Zinc-Cast Subject_Earth Science Catapult building kit with components

Catapult building kit with components that assemble into twelve distinct geometries

bottle in borosilicate glass holds 300mL with interchangeable glass pennyhead stopper for biological oxygen demand testing procedures

Sheet filter paper measures 46 x 57cm for custom-cutting circles

and prism table for measuring wavelengths and the refractive indices of solids and liquids

Premium Newton's cradle at 7

Slotted Mass Set, 1000g, Zinc-Cast Subject_Earth Science Catapult building kit with components1KG 10 piece set includes 9x 100g weights and 1x 100g hanger ACCURATE 2% accuracy INCLUDES HANGER Includes hanger for easy use and transportation DURABLE & STURDY Weights are made of high quality, powder coated, die cast zinc Made to last GREAT FOR ALL A great alternative to expensive brass sets Designed for use in professional laboratories, but is an ideal choice for science classrooms and household use 10 piece set includes 9x 100g weights and 1x