Materials
2-gallon Ziploc bag
Clear duct tape to reinforce edges
Variety of flat shapes (plastic or foam shapes work well)
Water
Directions
Tape edges of the Ziploc bag. Add shapes and approximately 1-1/2 cups of water. Zip closed and reinforce with tape. Invite child to name shapes, sort shapes by moving them around the bag, and count the shapes. Have fun!