How much does this cost to the nearest dollar?

Toystub 3D Wooden Puzzles for Adults Trebuchet Building Kit Model Wood Assembly Gifts
Fun Mini trebuchet 3d puzzle The 3d wooden puzzles Trebuchet is a cool playable toy. Based on the principle of embedded lever, the object can be ejected to the specified place through precise calculation, and people with strong practical ability can modify it to get a longer range. Easy Self-assembly The adult puzzles instructions are step-by-step guide video assembly tutorials. Everything in the kit is clearly marked and labeled so that assembly is as enjoyable as possible. No Tools Needed Unique 3d wooden puzzles for adults, laser-cut plywood, no toxic, environmentally friendly, smooth wooden board. All pieces are pre-cut, no tools are needed. All you need is super glue

Price is $40.00
Price: $39.99