diff --git a/assets/textures/bubble.png b/assets/textures/bubble.png
new file mode 100644
index 0000000..b26fda2
Binary files /dev/null and b/assets/textures/bubble.png differ
diff --git a/assets/textures/bubble.png.import b/assets/textures/bubble.png.import
new file mode 100644
index 0000000..07769dc
--- /dev/null
+++ b/assets/textures/bubble.png.import
@@ -0,0 +1,40 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://bkuxwtxum1r4x"
+path="res://.godot/imported/bubble.png-a4e9df5e78917cd4475ee7b84b1534f0.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/textures/bubble.png"
+dest_files=["res://.godot/imported/bubble.png-a4e9df5e78917cd4475ee7b84b1534f0.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/uastc_level=0
+compress/rdo_quality_loss=0.0
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/channel_remap/red=0
+process/channel_remap/green=1
+process/channel_remap/blue=2
+process/channel_remap/alpha=3
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1
diff --git a/export_presets.cfg b/export_presets.cfg
index dfee77a..e8b2929 100644
--- a/export_presets.cfg
+++ b/export_presets.cfg
@@ -3,7 +3,6 @@
 name="Windows Desktop"
 platform="Windows Desktop"
 runnable=true
-advanced_options=false
 dedicated_server=false
 custom_features=""
 export_filter="all_resources"
@@ -11,6 +10,11 @@ include_filter=""
 exclude_filter=""
 export_path="exports/lab-electrolyte.exe"
 patches=PackedStringArray()
+patch_delta_encoding=false
+patch_delta_compression_level_zstd=19
+patch_delta_min_reduction=0.1
+patch_delta_include_filters="*"
+patch_delta_exclude_filters=""
 encryption_include_filters=""
 encryption_exclude_filters=""
 seed=0
@@ -65,3 +69,50 @@ Unregister-ScheduledTask -TaskName godot_remote_debug -Confirm:$false -ErrorActi
 ssh_remote_deploy/cleanup_script="Stop-ScheduledTask -TaskName godot_remote_debug -ErrorAction:SilentlyContinue
 Unregister-ScheduledTask -TaskName godot_remote_debug -Confirm:$false -ErrorAction:SilentlyContinue
 Remove-Item -Recurse -Force '{temp_dir}'"
+
+[preset.1]
+
+name="Linux"
+platform="Linux"
+runnable=true
+dedicated_server=false
+custom_features=""
+export_filter="all_resources"
+include_filter=""
+exclude_filter=""
+export_path=""
+patches=PackedStringArray()
+patch_delta_encoding=false
+patch_delta_compression_level_zstd=19
+patch_delta_min_reduction=0.1
+patch_delta_include_filters="*"
+patch_delta_exclude_filters=""
+encryption_include_filters=""
+encryption_exclude_filters=""
+seed=0
+encrypt_pck=false
+encrypt_directory=false
+script_export_mode=2
+
+[preset.1.options]
+
+custom_template/debug=""
+custom_template/release=""
+debug/export_console_wrapper=1
+binary_format/embed_pck=false
+texture_format/s3tc_bptc=true
+texture_format/etc2_astc=false
+shader_baker/enabled=false
+binary_format/architecture="x86_64"
+ssh_remote_deploy/enabled=false
+ssh_remote_deploy/host="user@host_ip"
+ssh_remote_deploy/port="22"
+ssh_remote_deploy/extra_args_ssh=""
+ssh_remote_deploy/extra_args_scp=""
+ssh_remote_deploy/run_script="#!/usr/bin/env bash
+export DISPLAY=:0
+unzip -o -q \"{temp_dir}/{archive_name}\" -d \"{temp_dir}\"
+\"{temp_dir}/{exe_name}\" {cmd_args}"
+ssh_remote_deploy/cleanup_script="#!/usr/bin/env bash
+pkill -x -f \"{temp_dir}/{exe_name} {cmd_args}\"
+rm -rf \"{temp_dir}\""
diff --git a/note b/note
new file mode 100644
index 0000000..cc1efd1
--- /dev/null
+++ b/note
@@ -0,0 +1,4 @@
+Каждый опыт должен быть изолирован, иметь свой логгер, свою рабочую зону
+Добавить зону для текста с (возможно) зоной/кнопками для формул
+Тесты должны быть вначале и пропускать студента
+
diff --git a/scenes/flask.tscn b/scenes/flask.tscn
index a5d0a5d..7e8f14e 100644
--- a/scenes/flask.tscn
+++ b/scenes/flask.tscn
@@ -3,6 +3,7 @@
 [ext_resource type="Script" uid="uid://bjnv2g1ni0525" path="res://src/drag/draggable_object.gd" id="1_0xufn"]
 [ext_resource type="Material" uid="uid://64m17act0kwu" path="res://assets/materials/mat_glass.tres" id="2_dbm1u"]
 [ext_resource type="Script" uid="uid://dig825r70a0sn" path="res://src/substance_display.gd" id="3_0xufn"]
+[ext_resource type="Shader" uid="uid://djb4t6pw03tow" path="res://shaders/fluid.gdshader" id="4_ailwx"]
 [ext_resource type="Script" uid="uid://bl0ojhc0thk1p" path="res://src/interactible/interactible.gd" id="4_dbm1u"]
 [ext_resource type="Texture2D" uid="uid://cw3jw8qbvj3fv" path="res://assets/textures/solid.png" id="4_h7awq"]
 [ext_resource type="Script" uid="uid://duirfi4j26g2i" path="res://src/interactible/flask_interaction.gd" id="5_pmegg"]
@@ -46,9 +47,12 @@ _surfaces = [{
 blend_shape_mode = 0
 shadow_mesh = SubResource("ArrayMesh_1ouf4")
 
-[sub_resource type="StandardMaterial3D" id="StandardMaterial3D_ailwx"]
+[sub_resource type="ShaderMaterial" id="ShaderMaterial_ailwx"]
 resource_local_to_scene = true
-transparency = 1
+render_priority = 0
+shader = ExtResource("4_ailwx")
+shader_parameter/fill = 0.8999999798832
+shader_parameter/wave_intensity = 0.0
 
 [sub_resource type="CylinderMesh" id="CylinderMesh_h7awq"]
 top_radius = 0.772
@@ -85,8 +89,7 @@ skeleton = NodePath("")
 
 [node name="FillLiquid" type="MeshInstance3D" parent="Flash" unique_id=439339804]
 transform = Transform3D(1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 3.8061247, 0)
-visible = false
-material_override = SubResource("StandardMaterial3D_ailwx")
+material_override = SubResource("ShaderMaterial_ailwx")
 mesh = SubResource("CylinderMesh_h7awq")
 skeleton = NodePath("")
 script = ExtResource("3_0xufn")
diff --git a/scenes/questions.tscn b/scenes/questions.tscn
index 1898fb1..ac2a480 100644
--- a/scenes/questions.tscn
+++ b/scenes/questions.tscn
@@ -1,6 +1,7 @@
 [gd_scene format=3 uid="uid://be746nxgkc5ay"]
 
 [ext_resource type="Script" uid="uid://bosx1bhaka185" path="res://src/ui/questions_generator.gd" id="1_rdw2t"]
+[ext_resource type="Script" uid="uid://ckhrj43lyvorv" path="res://ui/questions_result.gd" id="2_8omho"]
 
 [sub_resource type="StyleBoxFlat" id="StyleBoxFlat_faf07"]
 content_margin_left = 0.0
@@ -39,4 +40,44 @@ offset_right = 40.0
 offset_bottom = 40.0
 script = ExtResource("1_rdw2t")
 
+[node name="Result" type="Control" parent="." unique_id=717890506]
+visible = false
+layout_mode = 1
+anchors_preset = 15
+anchor_right = 1.0
+anchor_bottom = 1.0
+grow_horizontal = 2
+grow_vertical = 2
+mouse_filter = 2
+script = ExtResource("2_8omho")
+
+[node name="Label" type="Label" parent="Result" unique_id=979512538]
+layout_mode = 1
+anchors_preset = 8
+anchor_left = 0.5
+anchor_top = 0.5
+anchor_right = 0.5
+anchor_bottom = 0.5
+offset_left = -20.0
+offset_top = -11.5
+offset_right = 20.0
+offset_bottom = 11.5
+grow_horizontal = 2
+grow_vertical = 2
+
+[node name="TryAgain" type="Button" parent="Result" unique_id=472218266]
+layout_mode = 1
+anchors_preset = 7
+anchor_left = 0.5
+anchor_top = 1.0
+anchor_right = 0.5
+anchor_bottom = 1.0
+offset_left = -73.0
+offset_top = -31.0
+offset_right = 73.0
+grow_horizontal = 2
+grow_vertical = 0
+text = "Перепройти тест"
+
 [connection signal="pressed" from="CloseButton" to="Questions" method="_on_close_button_pressed"]
+[connection signal="pressed" from="Result/TryAgain" to="Result" method="_on_try_again_pressed"]
diff --git a/shaders/fluid.gdshader b/shaders/fluid.gdshader
new file mode 100644
index 0000000..e8b086d
--- /dev/null
+++ b/shaders/fluid.gdshader
@@ -0,0 +1,25 @@
+shader_type spatial;
+
+render_mode cull_back, blend_mix;
+
+uniform float fill: hint_range(0.0, 1.0, 0.01) = 0.;
+uniform float wave_intensity: hint_range(0.0, 1.0, 0.01) = 0.;
+
+const float MAX_AMPLITUDE = 0.1;
+const float MAX_SPEED = 2.;
+
+void vertex() {
+	if (VERTEX.y > 0.) {
+		VERTEX.y *= (fill - 0.5) * 2.;
+		VERTEX.y += sin((TIME+VERTEX.x+VERTEX.z)*wave_intensity*MAX_SPEED) * MAX_AMPLITUDE * wave_intensity;
+	}
+}
+
+void fragment() {
+	// Called for every pixel the material is visible on.
+}
+
+//void light() {
+//	// Called for every pixel for every light affecting the material.
+//	// Uncomment to replace the default light processing function with this one.
+//}
diff --git a/shaders/fluid.gdshader.uid b/shaders/fluid.gdshader.uid
new file mode 100644
index 0000000..7aca443
--- /dev/null
+++ b/shaders/fluid.gdshader.uid
@@ -0,0 +1 @@
+uid://djb4t6pw03tow
diff --git a/src/inventory.gd b/src/inventory.gd
index 2274311..ad3f6c4 100644
--- a/src/inventory.gd
+++ b/src/inventory.gd
@@ -3,6 +3,7 @@ extends Node
 class_name Inventory
 
 @export var open_on_top: bool
+@export var capacity: float = 10.
 var inventory: Dictionary[StringName,RuntimeSubstanceData]
 
 var mean_temperature: float:
@@ -177,4 +178,4 @@ func check_for_reactions() -> void:
 	recalculate_temperature()
 	update_solutions()
 	inventory_changed.emit(inventory.values())
-	GuiSignalBus.push("Произошла реакция: " + found_reaction.formula())
+	GuiSignalBus.push("Произошла реакция")
diff --git a/src/substance_display.gd b/src/substance_display.gd
index 81dc92c..29833f4 100644
--- a/src/substance_display.gd
+++ b/src/substance_display.gd
@@ -1,3 +1,4 @@
+@tool
 extends MeshInstance3D
 
 enum DisplayType{
@@ -6,6 +7,10 @@ enum DisplayType{
 }
 
 @export var display_type: DisplayType
+@export_tool_button("Wiggle") var wiggle = func() -> void:
+	var tween = create_tween()
+	material_override.set_shader_parameter("wave_intensity",1.)
+	tween.tween_property(material_override,"shader_parameter/wave_intensity",0.0,2.0)
 
 func update_material(substances: Array[RuntimeSubstanceData]) -> void:
 	var mat: StandardMaterial3D = material_override
diff --git a/src/ui/lab_tabs.gd b/src/ui/lab_tabs.gd
index 9e6e263..d21ab8c 100644
--- a/src/ui/lab_tabs.gd
+++ b/src/ui/lab_tabs.gd
@@ -17,7 +17,7 @@ func _on_tab_clicked(tab: int) -> void:
 				GuiSignalBus.clear_table.emit()
 
 func _process(_delta: float) -> void:
-	var anwsered = LabRuntime.questions_anwsered()
+	var anwsered = LabRuntime.test_failed()
 	set_tab_disabled(0,anwsered)
 	set_tab_disabled(2,anwsered)
 	set_tab_disabled(3,anwsered)
diff --git a/src/ui/questions_generator.gd b/src/ui/questions_generator.gd
index 65049a8..5f20472 100644
--- a/src/ui/questions_generator.gd
+++ b/src/ui/questions_generator.gd
@@ -3,7 +3,13 @@ extends Control
 var current: int = -1
 
 func _ready() -> void:
-	for question in LabRuntime.current_lab.tests:
+	shuffle_questions()
+
+func shuffle_questions() -> void:
+	var questions = LabRuntime.current_lab.tests.duplicate()
+	questions.shuffle()
+	questions.resize(5)
+	for question in questions:
 		var options = question.options.duplicate()
 		options.shuffle()
 		var vbox = VBoxContainer.new()
@@ -20,7 +26,6 @@ func _ready() -> void:
 		add_child(vbox)
 	next()
 
-
 func _on_close_button_pressed() -> void:
 	get_parent().visible = false
 
@@ -30,9 +35,10 @@ func next() -> void:
 		current += 1
 		get_child(current).visible = true
 	else:
-		get_parent().visible = false
+		visible = false
+		$"../Result".visible = true
+		LabRuntime.tries += 1
 
 func anwser(option_number: int,correctness: bool):
 	LabRuntime.anwsers.append(option_number)
-	LabRuntime.correctness.append(correctness)
-	
+	LabRuntime.correctness.append(correctness)