Circuit Board 2, Mass: 0.44 kg, Optional power sources: up to 4 AA batteries, not included, DC power supply such as Extech Digital DC power supply, Power Amplifier, Maximum voltage: 10 V, Resettable fuse opens at 0.8 A, but 0.3 A or less is recommended
Fun House Mirror is a high grade polyester sheet with a vacuum deposited silver metal surface. The mirror is 0.8 mm thick and 84 x 56 inches in surface area ; Comes rolled into 1.5in tube, and will unroll flat. Size flat is 135 x 210cm.
Specific Heat Demonstration Set, Unique way to illustrate the different heat capacities of various metals features a slanted panel with four grooves to hold metals, Includes four metals cylinders: Aluminum, Copper, Lead and Tin; support stand, two pieces of bee wax