Transform Object

This spell allows you to temporarily alter an object of nonliving matter from one form to another. The original and the illusory object can't be larger than a cube 1 foot on each side, or weigh more than 5 pounds (when cast using a first level spell slot). The spell alters the object's feel as well as its look, and will stand up to close inspection - it can be detected only by magic or by trying to break the object, because the illusion will not show the object breaking. Once someone knows the illusion is fake, the illusion appears faint to the creature.  The caster can end the spell at the end of their turn. Until the spell ends, the caster cannot take any bonus actions due to intense concentration, unless otherwise specified. If the spell is cast using a slot of 3rd level or higher, the caster retains their bonus actions.

Spell scaling: Every spell level above first can change the spell in one of two ways, as chosen by the caster. It would either:

Double the cube's side length and triple the weight limit up (2x2x2 and 30 lb at 2nd level, 4x4x4 and 90 lb at 3rd level, and 8x8x8 and 270 lb at 4th level.) Casting the spell using a slot above 4th level still only allows 8x8x8 and 270 lb.

Change one more object per spell level (2 at 2nd, 3 at 3rd, and so on.) Casting the spell using a slot above 6th still only allows 6 objects.