A bang to the head kit, contains: Student instructions, Concussion Fact Sheet, Concussion: What Happens to the Brain and Nerve Cells S100B Color Chart, S100B Test Paper (simulated), 4 Blood Plasma samples (simulated)
Gears, sets offer 40-, 30- and 20-tooth gears with 3/16in bore to accommodate the most popular dowel size, and a 12-tooth gear with a push-fit to 2 mm motor shafts. Three inserts are provided on each sprue, allowing the 3/16in bore to reduce to 3 mm