Forum Novelties Drinking Bird One of the most recognizable science gadgets of the last 40 years; The drinking bird comes in assorted colors and functions using thermodynamic principles The drinking bird comes in assorted colors and functions using thermodynamic principles See our science & experiment kits: drinking bird, hand boiler, solar windmill, mirascope, liquid timer, kaleidoscope, teleidoscope & bug viewer under separate listings A classic science toy, standing 8 x 2 inches upon completion; instructions on box back panel Comes in red or blue; Suitable for Age 10+. Contains glass - NOT a toy; Ship size: 12x7x6 inches