What condition is it in...
Your missing two items in order to get an answer. What model? What condition is the gun in?
The Daisy model 1938-B was new in 1979. In like now condition it is worth $40 ( Bluebook of airguns)
Which model Daisy are you asking about, and what is the condition of the BB gun? Excellent. Very Good, Good, Fair or Poor? This information is needed to answer your question.
The model 008 was made starting in 2005. Please state the condition of the gun in order to get an estimate of value.
What condition is it in. That determines the value.
What condition is the Daisy in? This will determine the value.
I believe your Sears BB gun may be made by Daisy air gun co and I think it is a model 1894 Daisy ( It looks like a Winchester 3030). Daisy offers a service to estimate the value of old airguns. see the link below.
Without more information about the condition of the rifle, it is not possible to answer you. Daisy never made a model 1000 in 1959. It was made in 1997 and has been discontinued.
20-50 USD or so
their were several Daisy models made in 1985. You need to state the Model Number to determine the value.
Daisy made several models in 1955. You have to give more information and the current condition of the gun or rifle to get an answer