Make a set of mechanical scales to weigh or count parts up
to 50 grams using leverage. After adding an object to be weighed, the arm
swings up next to the
readout. Students will learn about mass, levers, parallelogram, load calibration,
friction, counting, levers, rotary, linear, ratios, bearing axle, center
As an additional challenge, students can calibrate
the scale themselves using
the blank sheet available on the website. They also design their own readout.
Approximately 25cm long. Grades 3 and up.
 Multiblocks, Green
 Clip Connectors, Blue
 Collars, Gray, 0.16” (4 mm) Dia.
 Metal Bearings
 End Caps
 Rubber Bands, 1.77” (45 mm) Dia.
 Gear, Black, 2.75” (70 mm) Dia.
 Tubes, Gray, 0.15” (3.9 mm) Dia.
 Snap-Off Rod, Gray, 0.16” (4 mm) Dia.
 Snap-Off Rod, Blue, 0.20” (5 mm) Dia.
 Slit Rod, Blue, 3.14” (80 mm) Long
 Slit Rod, Blue, 7.87” (200 mm) Long
 Piece of Sand Paper
Bulk pack of 20 Kits.
NOTES: Kre8® Kits can be assembled in regular classrooms. Snips or the Kre8® Cutter is required to cut card and light blue tubes.
Individual kit also available, see below.