Two boxed replicas by Anya Gallaccio, produced by Bookworks:
While reaching for Alma Ata is a set of of 5 slip cast glazed porcelain apples, produced in an edition of 6 signed and dated copies.
Cast, from 2003, is a boxed collection of acorns, together with a cast bronze replica. The buyer is invited to plant the real acorns, wait for them to dry out and die or simply discard them. Produced in an edition of 35.