Trick Squirt Pens - 6 Inch Plastic Trick Pens Extend To Fill With Water. Compress Pens For A Tricky Wet Surprise! (Bag = 36 Pcs) Unit of Measure: Bag of 36 PCS. This Trick Squirt Pens item ships within one business day from the Indiana warehouse. Find more great discount items in our Gifts, Games & Magic product category on BulkToyStore.com.