#10 25mm Screw 8
#10 50mm Screw 1
#10 Hex Nut 8
Connector Strip 2
Dowel - 30 cm (12 in) 6
Dowel - 10 cm (4 in) 2
Hole Plate 1
Perpendicular Block 7
Small Rubber Band 8
Ping Pong Ball 1
Paperclip 1
https://teachergeek.com/collections/all-products/products/projectile-launcher-2-0