Invisiclues

Knock Knock

1. Just answer, WHO'S THERE.
2. If the response is "Wilfred"...
3. Just answer, WILFRED WHO.

Front Bottle

1. Rather a bottle in front of me...
2. ... than a frontal lobotomy.
3. With the knife, GIVE BOB A LOBOTOMY.

Water Bottle

1. BLOW UP THE BOTTLE
2. When Bob leaves the room...
3. PUT BOTTLE UNDER THE SEAT CUSHION

Your Kazoo

1. It's a real humdinger.
2. Play "Stairway to Heaven" on it.
3. No such kazoo is to be found.

Cord Gloves

1. The answer is shockingly simple.
2. WEAR GLOVES THEN PICK UP THE WIRE
3. SHAKE HANDS WITH BOB

The Fly

1. What's it doing in Bob's soup?
2. THE BACKSTROKE

Lamp Shade

1. Are you just after cheap laughs?
2. Of course! WEAR THE LAMP SHADE.

Match Stick

1. LOOK AT BOB. Give you a hot idea?
2. LIGHT THE MATCH
3. PUT THE MATCH IN BOB'S SHOE

The Sponge

1. There's more than one sponge here.
2. Refer to Bob as a sponge.