Seismograph Model creates a visual representation of the shock waves generated by an earthquake, Use to teach both mathematical and geological concepts by manually pulling the paper strip and recording simple movements made by jumping or moving, Pencil not included
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)
Wireless Color Weather Station, 12/24 hr atomic time (manual set), Perpetual Calendar (day,month,date), Time alarm with Snooze, Transmission range: Up to 300 feet, Sensor: 2 AA Alkaline batteries, Indoor humidity range: 1% to 99% RH, Display: 6.16x0.93x9.65in