These ones were Birthday Cards for my sons.
On the left is a tri-fold card with a 3D pirate scene created using a range of Stamp-It stamps.  This one was made for Joshua.
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This Coffee Cream slider card was a tricky one, but really worth it.  Above shows the front of the card, & to the left shows the front of the card with the slider panel pulled up to reveal the hidden message.  This one was made for Joshua.
Then of course there's the inside, showing the cut-away  for the thumb...
On the right is a 3D frame card using Creative Stamps 4WD Truck.  This one was made for Tristan.
This little cut-away card uses Penny Black's georgeous mice designs.  This card was made for Daniel.